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Muscatine teachers’ invention could save your child’s life

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It's the last thing a teacher wants to have to think about: what to do in case a shooter is in the building.

Mass shootings in the past year like Sandy Hook, and the one at an Oregon high school on Tuesday, have led a few Muscatine middle school teachers to take action, and invent a device that will protect their classrooms.

Related: How Police Train for a School Shooting

"The Sleeve" is a 12-gauge carbon steel case that fits around the door's closer arm, securing the door from the inside.  The Sleeve can withstand more than 550 foot-pounds of force, making it nearly impossible to open from the outside.

Daniel Nietzel, a teacher at West Middle School in Muscatine, got the idea from the school's active shooter training.

"We were instructed to tie a belt or a cord around the closer arm. It seemed like a logical way to secure a door without having to go into the hallway, [but] it took us a long time to get a cord, stand on a chair, and tie a knot, which could potentially be the most important tie of your life." said Nietzel.

"I can tell you in our training, all five rooms that the teachers were trained in; the doors were breached, the cords were ripped, and the officer who was portraying the active shooter came in and killed all of us," Nietzel said.

That's when Nietzel and his colleagues formed the company, Fighting Chance Solutions, and began designing blueprints for The Sleeve.  He said it's been ten months in the making, but they finally have it ready and waiting for patent.

"We look at it as a cheap insurance policy. If you have someone out in the hallway, and you have an active situation, a dangerous situation unfolding and [don't] want to go out into the hallway and lock your door, we want to provide you with a way to close that door," said Nietzel.

The Sleeve is lightweight and compact, so it can be quickly applied and removed from the door's opening mechanism in case of an emergency.  It also allows the teachers to keep the door closed without having to enter the hallway to lock it from the outside, keeping them safe from harm.

"I think it's a great product. It's going to buy kids and teachers time for shootings," said Muscatine Police Chief Brett Talkington. "These shooters [are] going to be pulling on the door. If they can't get in, they're going to move on."

The Sleeve still awaits patent, but Muscatine Community College is fitting all their classrooms in their library and Larson Hall buildings with the device.


  • Kristina G.

    There is always a door stopper. Amazon sells ones that will withstand two tons of force for $30. But regardless, the way to stop shooters isn’t by force it’s from creating a culture of caring in schools, using programs like restorative justice, and ensuring everyone has access to mental health.

    • meliss

      If the door opens out into the hallway, as many classroom doors do, how on earth do you think a doorstop is going to make a difference?

      • Doug Hitchcock

        Meliss, did you even look at the video? It is very simple as to how it works. If the person is pulling on the door there is a very good chance that he or she will also have to put there weapon down and that might even give a defender a chance to stop him. I would like to see this stop put on a sliding rest mounted to the top of the door frame so the person on the inside doesn’t have to remove it from the wall, just slide it over the self closer, and be done with it.

    • Ashley

      Pretty sure those things are not going to stop a shooter. You’re an idiot! Talking to a therapist and being logical isn’t going to help an illogical person from taking a gun into a school .

      • don

        Everyone is entitled to there opinion and by calling someone an idiot puts you in that same class. What should be considered here is the safety of the classrooms and not name calling. There ar several of the closer locks on the market, this isnt something new. This one I just saw on this video is average at best. This one needs to be redesigned, made smaller and fit tighter. most closers (unless all installed at the same time) are not the same and one lock may not work on another. So before you spend alot of money, do some research.

    • Teach

      Go ahead and teach in a high school building everyday, see all of the issues our young people have to face in their lives, and get a sense of reality on how kids treat other kids. Maybe getting in a room and singing kumbaya will stop the violence in your world, but the 20+ kids in my classroom will get a little additional protection by purchasing something like this. Hopefully your kids won’t be in a classroom with their teacher trying to counsel the shooter on a culture of caring.

      • Kristina G.

        Hey Teach – My alternative high school kids do learn the principles of restorative justice (a researched based program) and other citizenship/character education programs. We have no problems in our school. No fights, no hard feelings, and the teachers all interact with each other in the same manner role modeling for the students. As do MANY, MANY other schools that employ the same values that we do. And yes, I’m a counselor and do know the benefits of access to mental health. :) But my students haven’t learned kumbaya yet, we’ll work on that one.

      • Theresa Mcrae

        A very significant proportion of recent school shooters weren’t even students in the institution. They were adults, or non-students, or former students. Even if you could succeed in pacifying a classroom of children – or college students – there are still plenty of bad guys out there.

    • Charlie

      Let me get this straight and correct. According to you and this company of mis-informed inventors, guns are the only offensive weapon that this wedge can be used to protect students and staff from injury or death?? What about knives?? Steel rods?? Crowbars ?? Explosives??? And the list goes on and on. As a former military policeman, I was instructed in the various ways a person or persons could protect themselves. A good example is Sandy Hook. The employees and students at this school had two items at hand to distract and immobilize the shooter – fire extinguishers and fire hoses. But they didn’t use them. And schools across this country are just as uneducated today as they were two years ago. Everyone in this country needs to get off of the rail car of ‘guns are the only weapon’ that hurts, maims or kills people. A deranged person will use any item at hand to hurt someone. As to ‘Homeschool 42’, how many school shootings were in defense of the people. Out of those 74 shootings that you so proudly flaunt in peoples faces, how many involved a knife or other object and the shooter was NOT the bad guy, but the good guy protecting others? 38!!! Quit following that idiot Bloomberg and his Jim Jones attitude and start doing some real research.

      • Kent

        Charlie, with all respect sir, you’re not the only ex-cop/soldier here. Let’s be realistic. Yeah, sure, a rock can be a weapon or a stick. But the weapon of choice today is a gun. Every school shooting features at least one. So, ANYTHING you can do to stop or slow down the shooter can and should be done. I like the door locker idea. Or a steel bar that drops across the door so it can’t be shot/kicked down.

        I also like seat belts in school buses, btw, It amazes me that we allow kids to ride in such a hazardous situation.

      • shelby

        Find me the link for mass school stabbings recently and then you can talk. The article wasn’t shaming guns. It was just an article about an invention to protect students and teachers from an active shooter event. Don’t try to change the subject with straw man arguments.

      • Tony C

        Buddy, ease up – this has nothing to do with gun control. This invention helps seal doors. It works equally well against someone with a knife as it does someone with a gun – the reason this is mentioned with shootings is because the gun can be used to damage the locking mechanism in a way a knife or other weapon can’t (except maybe the explosives you mentioned). The people who wrote the article and made the product aren’t trying to take your guns, chill out with your steroid-fueled NRA rage. Knife attacks are bad too, and your explosive thing isn’t impossible, though if you’re living in reality, no stilted kids have used them in their schools in recent memory. VS the epidemic of gun rampages in schools, which are much more viable considering we have almost as many guns in America as residents (true statistic).

        And regarding the rest of your post: Sorry nobody was brave enough to put themselves even more in harm’s way in order to “distract” the gunman with a fire extinguisher. Maybe if they had your military police training, they would’ve done like you, pal.

      • Joe Myers (@StangboyPrime)

        Kent, there’s a pretty serious reason as to why school busses don’t have seatbelts. in the event that there is a wreck, or something else happens and the bus needs to be cleared quickly, do you want to be the bus driver that has to fight with seatbelts to get all of the kids out? Yes, most kids will know how to use a seatbelt, and will do so. But the average capacity of a school bus is almost 40 people. There’s a good chance that not all of them are going to have an easy time with the seatbelt and the driver has to be the one to keep calm and exposed to whatever the danger may be for longer to go back through and help anyone having problems with their seatbelt. in instances where seconds matter, that could mean the difference between life and death. My grandfather was a school bus driver for over 20 years, and if you ask him, he’ll tell you the same thing, and more.

    • Craig Watson

      The trouble with a stop is these are fire doors, they open OUT, not IN, so a “stop” won’t work. A deadbolt will work. This device is quick and easy, maybe needs a pin to secure it in place, but how screwed up is a society that is forced to think of this type of device to protect children fro shooters?

    • Theresa Mcrae

      I was excited to learn that Amazon had alternatives available. I looked. There was NOTHING there that does what this product does: 1) block an out-swinging door from opening, and 2) not require a teacher to bring in a drill.

      Classroom doors don’t work the same way as domestic doors. They open outwards.

    • brian

      I am a licensed locksmith and I applaud the thought behind the device. This device is a direct violation of fire code. When the device is on the door no person can enter or leave the room meaning no free egress during a fire . This egress is very important also due to smoke inhalation. They make locks with security classroom functions that allow the person to lock the door from the inside with a key and still have the ability to leave the room. If the device is used on a door in the school and there was a fire the school and teacher would be liable.
      “locks shall not require the use of a key, tool, or special knowledge or effort for operation from the inside of the building…except as specifically allowed by NFPA 101exterior doors shall be permitted to have key-operated locks from the egress side as long as:exception is permitted in chapters 8 – 13 for the specific occupancy.On or adjacent to the door there is a sign “THIS DOOR TO REMAIN OPEN WHEN THE BUILDING IS OCCUPIED”.Locking device is of a type that is readily distinguishable as locked, and Key is immediately available to any occupant inside the building when door is locked where permitted by chapters 8-31, key operation shall be permitted, provided that the key can’t be removed when the door is locked from the egress side
      Keeping our doors locked at all times and having assign door greeters is the way to go. Bottom line we need to address the real problem and that would be the lost people that cause these horrendous acts.

  • J. lundvall

    Way to go to the teachers who are looking to be part of a solution. Yes in an ideal world, loving caring people would make the world go ’round. Unfortunately that’s not where we live. We can day dream about the possibilities of what a perfect world would be like or we can deal with the issues at hand and search for a solution–or even a temporary fix that may increase the survivability if in this scenario. Once again, way to go!

  • angie

    Well its a great idea but a self defense instructor told us your odds of survival are better if you run and not stay huddled in a class room. At Sandy Hook there were 4 kids out of a classroom that survived because they ran and got out. My question is lots of class rooms have windows that reach outside. What if the shooter enters that way?

    • Erica

      The students in Sandy Hook were not in a locked classroom, which certainly affects the dynamics. There are 2000 students in my school. Flooding the hallways to “escape” is a recipe for chaos. This is, of course, assuming you are in a place someone can’t just walk into… Which is the whole point here. I still think a locked door is the first line of defense.

    • Kel

      The training we received at our school repeatedly pointed out that common sense is better than any training and that escaping unharmed is always better than following a protocol. We happen to work in a very spread out school and thus if there were to be a horrible situation in the hallways near your classroom, hunker down and secure the students to the best of your ability. If you were in a part of the school where the danger was not occurring at the moment, send kids out exits or windows, have them run with hands up and just go. There are a few meeting places off campus etc. There is no such thing as a good plan, as often shooters come back to a school they attend or have attended, thus they may know what the “intruder protocol” might already be. Oh, we have off duty sheriffs as our security in our building, but one or two guys cannot stop an intruder who is in a part of the building almost 1/4 mile away, on his own. Teachers must be instructed to do what seems best not just follow some drill.

    • Dan

      The self defense instructor is correct, however, where is the active shooter or his accomplice(s). It is safer to go to the known safe area (classroom) rather than running to an exit along with a couple hundred other students and faculty. That would be a perfect opportunity for another shooter to be waiting at an exit knowing a school policy is to run out the doors when there is an active shooter somewhere in the building. My classroom doors are always locked and they open out to the hallway.

      • Ray

        And yet it has never happened. There has never been an instance where fleeing students were gunned down by an accomplice.
        The only thing huddling in a “safe area” does is make it easier to find the bodies.
        fleeing is the best response always.

  • Erica

    I’m all for ingenuity in solving problems, but I’m confused. Why don’t the teachers just keep their doors locked all the time? I do, as we are instructed to do at my school. It just makes sense, for security, convenience, and to keep out the “wanderers” with bathroom passes that seem to love to poke their heads in to say hi to friends in the middle of class.

    • Tracy

      I think the point of the sleeve is strength. The lock on your door will keep out wanderers but probably can’t withstand someone who is determined to get in.

    • drewmark19

      At my school, only about 10% of the rooms actually have locks, and the ones that do, lock only from the hallway. In addition, we have windows, but they do not open. One full wall of our cafeteria (which doubles as our study hall) is primarily windows. About 40% of our classrooms have walls of glass for the hallway wall, or they do not have walls at all! The point is, many schools in the US were built well before there were major concerns with school safety, and most schools do not have money to add adequate safety measures. Our staff has been trained with ALICE to help us determine when to stay in the classroom, when to defend, and when to run. I appreciate hearing about people coming up with simple, hopefully cost-effective ways to improve student safety.

    • jacob weber

      Most school doors have a metal security mesh in the glass. Therefore if you make it through the class you have to still get through the wire. And most of the windows in my school also had it.

  • Lee Eastburn

    I applaud the teacher. I am sad too because I feel like we are reinventing the wheel. The school classroom doors used to lock from the inside as well as the hall side, but the staff complained about students locking them out before class began, or playing pranks on each other. Flipping a thumb turn on the inside of the lock is easier than this device. Now if we could just keep those rowdy kids in line, none of this would be an issue. Right.

  • Kristin

    I like the idea but what is going to keep people from locking themselves IN on purpose and ten first responders can’t do anything?

    • homeschool42

      A phone cord, a chair, or an internet cable could all do the same thing as far as locking people inside a classroom. The message here is that teachers are being taught to “disable” the door closer during dangerous situations, this just makes it easier. The beauty of the Sleeve is that it is portable. It does not need to be hanging on a wall or by the door. It is up to the discretion of the teacher or the school to figure out the appropriate place to store The Sleeve. Obviously we recommend it is readily available when needed. There are downsides to everything, no perfect answers…but I can tell you that there have been 74 school shootings since Sandy Hook occurred last year. Haven’t heard of any classroom barricades.

    • Erica

      Make the doors lock and unlock with keys only, to prevent kids from playing pranks. Relock doors after you enter, so locking the door is as simple as shutting it. The first responders have access to master keys and can unlock any door they wish. Yes, we drill this with law enforcement. This is standard protocol in my district. It is concerning to me that such simple measures have not been taken in many places, apparently.

  • gmatina

    That is a neat idea however if every classroom has a window by the door, why wouldn’t the unsub just shoot the glass?

  • Charlie

    Guns! Guns! Guns! I learned to call them firearms when I was in the military. Everyone here and across this country are on the runaway train of ‘this gun did this and this gun did that’. JHC!!! A deranged person can cause bodily harm with anything they can get their hands on. Knives!! A pipe!! Car radio antenna!!! The list goes on and on. Firearms are just an easy excuse for any person that doesn’t use common sense. As stated earlier, I’m a former Security Specialist of the USAF. I learned a long time ago about almost everything that can be turned into a weapon. This door device is a temporary barrier to the bad guy. Give him ‘or’ her a good length piece of pipe, or large crowbar, and they could break the door loose if they wanted to get to you bad enough.

  • Todd

    yeah, these idiots will always find a way to cause harm no matter what the “tool” may be; guns, coat hanger, plasstic bag, roap, etc. …the issue is stopping the hate before it becomes a crime!

  • Jolynn

    My concern is that all these comments are complaints. I dont care what the product is. If it has even the slightest chance of protecting my daughter or your’s, than it is worth it. Thank you Muscatine for not only being teacher, but for working so hard to protect students!


      I agree. This is a great idea. Instead of thinking of everything wrong with this let’s talk about everything right. It may take multiple items or ideas to cover many possibilities. Way to go teachers for being proactive.

  • Sara

    We are supposed to keep our doors locked at all times…we do not need to keep them shut, but always locked.

  • Kyle

    In a situation where seconds become the difference between life and death this product is the equalizer. Congrats to a hard working group of people that are pursuing not only the American dream in starting a business, but also taking a pro-active approach to a wide-spread/deadly issue. I wish them all great success.

  • chris g

    Thats not true kyle. It is very common way to test metal fabrication, very simple with lever style load testers and gauges.

    • Carl

      Chris g, you’re wrong. Ft lbs is the empirical unit for torque, NOT pressure. In this case, however, torque is what you have to overcome anyway….

  • Jason 'Jaypoc' Bauman

    Why not just put a push button lock on the door? At least then, the students can’t lock a teacher/administrator out of the room (as long as they have a key), and it’s even quicker to push the button in on the door than it is to get the sleeve and place it over the arm (which i imagine if you wiggled the door for a few minutes, it would eventually slide off.)

  • Donna

    I teach in a middle school. My husband, a police chief, provides active shooter training to both law enforcement agencies and school districts in our area. One thing he teaches is how to “harden the target” to increase the chances of survival in case evacuation is not an option. This tool looks like a quick way to do that, in addition to using the door lock. Nice job, teachers!

  • clouducation

    Our school came up with a far simpler idea: Keep the doors locked all the time. We all got a magnet about the size of your finger and it goes in the door jamb to keep it from fully closing and latching. If the event of an emergency, the teacher needs only to slide this magnet around the corner and tug the door shut. The big advantage with the product featured here is that the door needs not be opened at all, and would continue to be effective even if the glass were broken and the intruder reached in to use the inside handle. The idea is to buy time. Of course that intruder can eventually get in, but the typical shooting takes less than 10 minutes. This device, or something like it, may buy some of that time.

  • Michael

    Why not have the doors lock from the inside? I can see why you wouldn’t want students to be able to lock the door on teachers, but have a key-hole on both sides of the door. I know it’s possible, that’s the type of lock my house had when I bought it.

  • Sage

    Foot-pounds are a unit of energy. It relates to the energy transfer from a force of one pound moving the acted upon object one foot. So Kyle is correct, they’re not a unit of pressure, they’re a unit of energy, which would have been completely correct had the article not mentioned force. That said, @Carl, they’re not a unit of torque, that’s the pound-foot.

    • ex army superman stripper cop teacher and counselor

      torque and foot pounds and pressure are the same thing as a how fast a car goes all u have to do is split in half and double it u can also torque water on your grass and the pressure of the dirt makes grass grow by the foot pounds of energy transfer to force divided by the length of your side walk i think you might want to google that drugs are bad ok

  • Wayne

    Proposed laws could save our children’s lives too. Unfortunately, we will not attend to the rights of children to learn in freedom and safety.

  • Protect kids

    I’m more concerned about why that little girl was present during this presentation?? Does not seem appropriate to me.

    • Amanda

      Thanks for your concern but she was there to support her father, one of the teachers in this group. Unfortunately the world today is ever changing. We prefer to educate our children so if she is ever in a “situation” (God forbid) she will understand the need to remain calm and listen to direction.

  • Courtney

    I’m not a military officer or a teacher, I applaud both professions. Patience, common sense and drills are a big part of both, usually the main focus wither it is an emergency situation or not. Each school has a different layout, size, age and count of children and another huge factor, the neighborhood the school is in. This could be a problem some schools have daily, weapons. Shouldn’t emergency plans be based generally on these factors? Every school and child is different but what is a huge problem in one school, that happens rarely if ever, could be a regular problem in another.

  • Steve Payne

    Oh, for crying out loud – this won’t help. More laws help. More “Gun free zone” decals help. More don’t-come-in-and-murder-our-kids policies help.

  • Mrs. M

    Good idea.
    In our school, the school resource officer has recommended keeping the door in the locked position at all times.
    To prevent this from being as issue each time a student needs to leave for a restroom or library trip, a flat rectangular advertising magnet is placed over the hole in the doorjam where to latch falls into place. In the event of an emergency, we’d simply pull the magnet out and shut the door. It’s already locked and it just takes 2 seconds,

    Maybe this potential solution will help another teacher/ school as well.
    We have to do all we can to be prepared.

  • Chris

    Neat idea. Almost as good as the idea to arm the teachers….oh wait, that would work too well, so we couldn’t do that.

  • katezmusing

    Love that teachers came up with a solution to their concerns. This is what it’s about. You have a problem. You look for solutions until you find something that works. I hope every school gets these. So simple, even, one would think, obvious, that it’s genius.

  • Karla

    You people. As a high school student I know that when we have practice drills our teachers are told to lock all doors. But some of our doors won’t lock. They’re just broken. And we are told to barricade the doors by pushing desks and chairs up against the door. I think the sleeve is a great idea to help protect students In horrible situations like these especially when you don’t have a lot of time to lock the door, get students away from windows and doors, and push things up against the door. This is something you can do fast and know you’re safe snd then worry about extra measure for safety. And I want to point out to all you people who think getting psychological help to students who have issues is a good idea.. Well you are wrong. Maybe it will help but are you really going to count up all students with problems and FORCE them to get help. No. And for some of you people who think teaching the kids in your classrooms good ways to treat others and happy go lucky ways. You’re just going to get laughed at. No high school student wants to listen to that. Deep down they know how to treat other people but just taking to them is not going to stop that 1 kid, who is wanting to kill everyone, from not doing it. So I think every class room, every door, every school needs one of these. Even non schools like businesses should have some of these. And chords and wires are not going to save you. They’ll snap with enough strength or the knot won’t hold up.

    • ex army superman stripper cop teacher and counselor

      karla if there is one shooter and 200 kids all the kids should attack the shooter he cant kill them all how about that claw his face off stab the shooter with a pen

      • Karla

        Yeah right. The shooter would just mow them down. Sure he couldn’t stop all of them but kids would be hurt. What if he had a bomb in him and now there’s 30 kids surrounding him and on him trying to make him stop. The purpose of this is no one is injured or killed. They want everyone safe. So yeah let’s just send a big group of kids to attack the shooter. And sometimes there is more than 1 shooter. What then? And trust me not every kid is going to volunteer to go jump on the shooter.

  • Jonathan

    Anyone see the huge glass window right next to the door and the windows in the room. Yeah if you really want to stop someone trying to kill children shooting back is your only real defense.

    • ex army superman stripper cop teacher and counselor

      you are 100% right jonathan and i quote “kill children shooting back is your only real defense” well maybe killing all the children might not work i dont know

  • ex army superman stripper cop teacher and counselor

    hey i got an idea how about every classroom have a exit to the outside to those who dont understand that let me break it down for ya see u have your doors that come into the classroom from the hallways then on the other side of the room u have a door that goes out of the school thats how the new school in carngie oklahoma is when u go out the side doors u are outside the school then u are know longer stuck in the classroom the kids can then run away

  • don

    The door closer idea is not a new one. The one I saw in this video is sloppy, It allows to much movement.. I think I saw a one point the door opened far enough you can get you fingers in the crack between the door and jam, once you got your fingers in you can actually pull the door hard enough and break the closer off the door.TRY IT. There are closer locks that wont allow any movement at all.

  • Joe

    A couple things. Better socializing and counseling in schools and zero tolerance for bullying could heelp a lot. Bullies expelled, no exceptions. Conversely, as shocking as school shootings are, you are more likely to be killed by a cop than a school shooter, statistically. Reign in the cops too. Too much violence overall in society.

  • Brad

    I find it amazing how the advertisement before the video was about a video war game. And start fighting fire with fire. Arm the teachers that can pass the psych test that police R required to pass. They don’t have to open carry though. Out of site, out of mind. Shooter, some maybe dead, but he is dead before he gets 20 instead of just 2.

  • Byrd

    I find it ironic that this clip was preceded by an advertisement for a video game involving blowing up tanks. Violence is learned. Our cultures teaches it and glorifies it.

  • Jeffrey

    We appreciate this teachers effort! He’s trying to get something done, that is noble! We have a product that we think meets and exceeds this product’s concept. Please visit our Facebook Page: Anchorman, Inc and look at the Active Crisis Tool (ACT).

    • CP

      Hi Jeffrey- My classroom door opens outward, as do all doors on our campus. Does your product work on doors that open outward?

  • Justin

    Okay, listen to all you “Nay Sayers!!” What in the hell is wrong with you? Or at the very least your common sence??? I’m seeing a bunch of “But

    • Jeffrey

      Depends on the caliber and velocity of the bullet! Also the material the door and wall is constructed with. If it is a solid wood or steel door, it is fairly decent (but not 100%) cover. Same with walls. An option. There is no absolute answer. The gun ban argument is not worth engaging in at this point. It will take over 10 years to confiscate all the firearms in America even if we started today. That’s not even including the discussion about illegal weapons and the potential civil war that might occur if a confiscation was initiated. We need to work on multifaceted solutions. Caustic and delusional comments won’t get us anywhere.

  • David

    A better idea: lets ban and destroy all personal firearms, and stop manufacturing them. Shootings would fall, WAKE UP AMERICA!!!

  • isayhello2u

    This is not a good idea what will happen is somebody/ some teacher will go crazy locking all the students in holding them hostage or something worse. its happened already with normally locking doors.

    • K

      Yes that was i was thinking. They could use it to lock themselves in the room with 20+ kids and no one can get in. They need to incase it in glass and have special codes or something only teachers know, so crazy kids cant get to it.

  • Bruce Wedding

    Interesting. They demo this device in a room with a large window next to the door. Can you guess what the gunman’s next move will be after he can’t get the door open?

  • Mitch Ryan

    Just thinking like a criminal will tell you those windows are the way to bypass this. However it does give you a few extra minutes to get out the windows. Or just start adding doors to the outside.

  • Julius Henry

    In Bailey Colorado, the attacker let the boys and teacher leave the room and kept the girls inside, I can a man with evil intent using the “sleeve” to lock himself INTO a room with the children. Then What?

  • Patti

    I teach in an elementary school. Our doors are always locked and kept closed. The only time the classroom doors are open is when students enter or exit the room.

  • PCK

    Wow…. Very simple idea, needs some tweaking. Can’t believe all the negativity on such a positive story… yes I can, a large part of our society has gone down the tubes.

  • 1st Sgt Cameron Church, USMC (VET.)

    OK so he made a piece of metal that goes over the repel arm. I guess that is um great… Doesn’t not mean anyone is safe. All you are doing is stressing the hydraulic elbow and mechanism on the door. Unless that door has a bolt set that goes through the frame on both sides all that damned thing is going to do is cause unnecessary force on the swing mechanism and case it to break off.

    Here is the solution. 9mm, simple effective 9mm HP rounds. intruder alert hits the comm. Teachers unlock that gun and have the training that was given to them intensely on gun safety and keeping an heighten awareness. of where the intruder might be. 2 shots from that 9mm and its night night scumbag.

    If our slug of a youth is going to turn schools into a war zone… then we need to start treating them like one. More effective security, security cameras, remote deadlocks, etc. And when I say cameras. I mean in every corner of the school. Its freaking 2014 people and out schools are still just thinking the problem will go away on its own… The internet and our new level of society is the driving force of this new breed of terrorist in our country.

    Coming home from a tour just few months ago, and all I see as I get off the airplane is hate, and pain all over the TV’s and internet. I rarely go on much and as much as I miss my family I sometimes worry how much more is messed up here since I left.

    We need to control our out of control world here in the US. Its getting out of hand and is only going to get worse. The america we live in and respect was not brought up on these morals. Life has changed a lot in the 400+ years of our country-hood. But it was not until maybe 20 years ago that things really took a turn… our moral fabric of society was ripped and a new age of carelessness became and spewed hate and distrust. Greed and selfishness is all we are left with now.

    That is not my America… This is not my home.

  • Passamaquaoddy

    This article is about an Iowa man who loves his family enough to come up with an idea and invention to try and help not only his family but other peoples kids, wife or husband! Many inventions are duplicated or improved on. Some cost more than others or are better or worse. Therfore you have choices/options.
    Again he is working on an idea to PROTECT HIS & OTHERS FAMILIES! You either like it or not! At least he is making an attempt to try! Everyone has ideas but not everyone follows through with them. I for one appreciate that someone else besides myself cares enough about the safety of my kids and grandkids!
    Today is a different world than what it was when some of us were young and in school. My dad was military so I went to many schools with a mix of military and civilian kids in local schools off the base. We didn’t have to deal with or worry about GANGS or what colors we wore and if it was going to be a problem. We got mad we had an argument and we fought with fist not knives and guns! We had parents and teachers who cared enough to notice if something was wrong! Not saying all teachers don’t today but seems that today teachers are still under paid and over whelmed and don’t have time for that one on one any more. They don’t see the change or they chose to ignore what’s going on! Sadly some have joined in on the bullying of kids until they break! Kids hearts and minds are fragile and some don’t have the ability to make rationalized choices or have anyone they can turn too. So now unfortunately they show up at school with a gun or a knife! Because every school doesn’t and can’t afford armed security for the building let alone each classroom, I myself appreciate the fact that this IOWA man has at least put some LOVE, CONCERN and THOUGHT into trying to PROTECT OUR KIDS! Will it stop a bullet NO but it will slow down and STOP the person from entering that room! SO Unless each community is willing to pay and have the schools remodeled with bullet proof glass and supply everone a bullet proof vest and install security xray scanners at least this is a start and gets people thinking!
    You may not like his idea thats your choice. Instead of being rude and unappreciative of his idea/ invention how about coming up with your own or help figure out how to help these kids who are lost alone and confused and think shooting others is the answer! I myself say THANK YOU! And
    THANK YOU AND GOD BLESS OUR MILITARY and LAW ENFORCEMENT for putting your lives on the line to Protect and Serve all of us!

  • Dario de Judicibus

    Crazy… trying to solve a problem that in Europe was solved by simply preventing people to easily buy a weapon. We have criminals too, mafia, and killers, but the fact that citizens cannot have weapons does NOT increase killing, but reduces them. This is a fact. In 2012, in Italy, we had only 528 out of 60 millions inhabitants, in spite of mafia and camorra. A little bit more that homicides in New York City only in the same year, that is, 419, an 8-million people city.

  • Hannah

    Ummmmm…..not all doors have that arm thing….so what about the people without one? I guess we are all dead.

  • Nick

    Only a couple of people on this message thread even got the jest of this story. It was about a group of teachers that invented something that was obviously better than what they were trained to use to help and protect kids and teachers. No…it is not perfect, yes…it could be done better and different, no…t wasn’t made to stop guns, bombs or knives, it was made as a better solution than tieing a belt, string or rope around the closure. Thank you teachers for taking the initiative to try and improve your students safety somewhat better than how you were trained to do so. I hope you get filthy rich off of it and then in turn use some of your wealth to continue to give back to your community. God bless!

  • The Cybernetic Entomologist

    This is a monumentally BAD idea that will likely endanger lives – If those doors need to be secured, do the obvious thing and put a lock on them. There are building and fire codes that require a door to be unlockable from roughly 3 feet off the ground. If this gizmo is present and the adult in the room is somehow incapacitated, you’ve suddenly got 30 small kids locked in a room with no way out, and no way for the first responders to get in.

  • Alex

    What about someone getting in the room, applying the locking sleeve to the door and then doing something terrible in the room without the authorities/help having a way to get into the room?

  • Sean

    Obstructing the door means nothing if there is a glass pane in the door or a window nearby that can be easily breached.

  • The Cybernetic Entomologist

    Uniform Fire Code: 1207.3

    Locking devices. Exit doors shall be openable from the inside without the use of a key or any special knowledge or effort. Exit doors shall NOT be locked, chained, bolted, barred, latched or otherwise rendered unusable. All locking devices shall be of an approved type.
    It is illegal to render an exit door unusable.

  • Heidi

    How tall would you have to be to use this? I couldn’t find the information in the comments or in the video.

  • fyrlyte

    Wait until some deranged kid uses one of these to lock the faculty out of the room full of kids he/she just took hostage. Or the active shooter who uses one to keep the police from getting in to the room where he/she is methodically killing all the occupants. Great idea! :-(

  • Tom

    This is silly, the amount of force the device can withstand is absolutely meaningless because the breaking point is that little joint where the arm connects to the threshold, not the device itself.

    Good try ….. I guess.
    All of this teachers effort would be trumped by a simple sliding lock installed on the inside of the door. Much cheaper, and MUCH more effective than redesigning or upgrading any existing hardware.

  • Bob Beecher

    Why bother with this? Install a deadbolt lock on each door with a thumb-turn on the inside and keyed on the outside — like you probably have on your front door at home. The teacher or a student can lock the door in a flash. For those who think that kids will lock teachers out of the room, that’s what the teacher has the key! Prank thwarted! Sometimes, the simplest solutions are best!

  • john craig

    1. ok, so the student comes to school with a gun, walks into his class, “locks” the door and starts shooting….
    2. student comes to school early and starts shooting. doors get locked and other students are locked out….

  • Billy Bob Boo

    While keeping kids safe, I guess this teacher realized he doesn’t make enough to retire early, so now he devised this patented tool for his retirement fund.

  • Walter Hannan

    Read recent issue of Consumer Reports & find that many door locks can be overcome rather easily – they don’t have much strength or resistance to a breaker tool. Don’t rely on them.

  • Kate

    How about a sleeve to pop over the door handle – shaped the same as the handle inside to stop it being raised or lowered.

    Or a door handle that when raised up locks itself in position – I used to work in an office where the ladies toilets had this sort of door handle. You pulled the door handle up to lock the door – and you could hang a light handbag on it so it did not need lie on the floor where an arm could slide under the cubicle wall or door and grab it. To open the door you pulled the handle down.

    Or a sort of travelling wedge actually fitted under the door that is i visible on both sides of the door (could be smaller on the outside and fitted so close to the door and made so it could not be pulled off) but moves it would move with the door as it opens and closed but in the event of a crisis the part on the inside could quickly be foot operated to lock down. The class room door wedge would then be stuck down (perhaps in a groove).

    Door catches operated by someone’s foot used to be common. Doors without them were not supposed to be wedged open but if there was floor catch you knew it was ok.

  • Robert S

    Good device. It needs a spring loaded locking pin to keep it from sliding off during multiple attempts of pulling the door open.

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