One click crushing: the ball player can replace the bent ball, and the ball can be firmly hit, not stained with saliva and mud. Minimal effort: When you make kibble, you just have to aim at the ball to keep throwing the ball, without the need to bend it, which saves time and effort. Dog Safety: The ball is moderately soft and hard, the launchers and balls are hard dog toys designed for outdoor use that do not hurt the dog's mouth and do not bite easily.