Leapfrog Trainer Continuously alternate over-speed, passing, and resistance running. The lead and trailing runner take turns providing assisted acceleration. As the trailing athlete runs past the lead runner they exchange roles and the trailing athlete provides resistance to the lead runner. When the safety sleeve elastic is at full stretch the trailing athlete takes advantage of the resistance to accelerate past the lead runner. Sets contain 4ft Safety Sleeve Elastic Level 2 and a choice of two universal or deluxe belts. Deluxe belts are padded for extra comfort. STP0206 Leapfrog Trainer Set – Universal Belts £39.48 The Gun Trainer Develop arm and leg strength and speed for football, rugby, karate, tennis etc. The 4ft Safety Sleeve Elastic Level 2 provides the resistance and the Pro Ankle/Wrist Strap, padded with velcro fastening and ‘D’ rings, allows safe full arm or leg follow through. STP0205 The Gun Trainer Set £32.81