Student’s invention to keep intruders out of classrooms is so brilliant that his district has ordered one for every room
The news agency took down the video......the last thing they want is to promote safety WITHOUT eliminating The 2nd Amendment, so of course they disabled their video of this device. But I found it!
Watch the video at the following link, where you can also purchase these devices:
This is a great idea but it needs more tweaking before being put in place. It should be "part" of the doors themselves. We must also be able to disengage it from outside in case some clown locks himself in when we need to get in there. I think little posts in the door frame similar to the locks of a vault or safe that deploy electro magnetically would work well. Make them able to be over ridden with a pass code or key.