Athletic Trainers Top Pick Resistance Training System with Hand Held Strap to Create as much Resistance During Training as Necessary for your Athlete to Improve Running Speed Powerful Sprint Strength The Tough Tow Power Trainer attaches to either a Harness or the Waist Belt. The player sprints full speed as their partner creates resistance, developing a powerful sprint stride. The Tough Tow Power Trainer is great for short explosive sprints where a partner supplies the level of resistance. Can be performed forward, backward or lateral. DEVELOPS: Powerful Sprint Strength Resistance INCLUDES: 1 Nylon Webbing Leash with Wide Handle (Optional) Waist Belt, Padded Belt, X-Harness, or Dual Use Harness