These three simple locks stop people from entering a room. Will it stop them long term, no, but Active Shooters know they have little time to do what they want to do. Time equals more people alive.
Excellent work gentlemen, American ingenuity at it's finest.
These simple locks could help save hundreds of lives
Could this be a deterrent for mass shootings?
Posted by Future X - The Future Is Now on Tuesday, January 26, 2016