Toss it. Catch it. Respond to the panel under your thumb. With 32 panels total, Drunk Busters of America's super-soft ball is a great ice-breaker and training tool for young people and adults. People communicating with each other without a "gadget." What a concept. $17 per ball.
Mutualink's K12 School Safety Solution is designed to provide instant, direct communications between schools and law enforcement.