"It's a foldable two-panel barrier that comes out of the wall for kids to hide behind in the event of a lockdown and, ultimately, in the event of a school shooting," Larson told "GMA" about her invention called Safe K.I.D.S. The name stands for Kevlar-cellulose-nanocrystal-AR500-steel Instant Defense System.
https://abcnews.go.com/GMA/News/14-...proof-wall-protect-students/story?id=57115216
https://abcnews.go.com/GMA/News/14-...proof-wall-protect-students/story?id=57115216