The Canguro Volleyball Serve and Spike Trainer is one of the most efficient volleyball training devices on the market. This volleyball trainer will help take your game to the next level. Volleyball training device designed to make you a better volleyball player. Simply, fasten the belt around your waist. put a ball in the harness and practice serves and spikes all day. This is a great device for practicing muscle memory, especially when training partners aren't available to practice with you. Hit the ball, and after its flight pattern finishes it will return back into your hands as the elastic leash pulls it back. Practice volleyball serve volleyball spike volleyball hit and more! Great volleyball gift!