I saw that the other day on facebook some classic examples - I particularly liked the Library version and the French one
Good job Vince Prooth didn't have a gun at Holgate.....there'd be a few on this board not here today.
A school in Pennsylvania has gone with putting a bucket of rocks in each classroom. http://www.chicagotribune.com/news/...ania-school-shooter-rocks-20180323-story.html