Teacher’s invention could save lives during school shootings

As school shootings become more common, a teacher in Muscatine, IA, has invented a device that could save classrooms full of students in crisis situations.  The invention is a carbon steel sleeve that fits over the door closer arm.  Because many classroom door locks are only accessible from the outside, where a shooter might be, this allows for a teacher or someone else in the room to secure the door without exposing themselves to danger.

Click for more on this story from WQAD-TV.



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