Swivel belt 1x, 2x Slastix Clips (1.22m), 2x biceps cuffs. Develops powerful shoulder and arm movements because the athlete has the opportunity to bring his whole body in motion. The Shoulder Surge encourages focusing on shoulder strength by overcoming resistance of elastic resistance. The coach continues to stand still, call the Swivel to or by holding the tubing, and keep the Slastix Toner Tubing tight. The athlete can perform powerful arm movements.