Student Invents Tool To Save Lives During A School Shooting

CBS Local — A Wisconsin high school student has developed a tool he hopes will save lives during a mass shooting. Somerset High School’s Justin Rivard created the “JustinKase” in his shop class after being motivated by recent deadly school shootings.
Rivard’s invention is a unique door jam made of steel plates and connecting rods that the student designed to slide under classroom doors and keep them from being opened. “This is the thing that can save