SafeCalm Dog Training Collars work; they are safe, comfortable, don’t restrict vision, or touch a dog's throat. It's a quick way to create instant calm and focus. The SafeCalm Collar helps or fixes all behavior issues. It simulates a mother dog calming her puppy by nudging its snout with her mouth, the first calming sensation a dog experiences; it means "You're safe, be calm". The SafeCalm Dog Training collar is better than Martingale, Halti, Gentle Leader, remote collar, shock collar, calm vests, dog harness.