SKLZ Lateral Resistor First-step quickness and lateral speed are critical for athletes to blow by their opponents or provide smothering defense. Resistance bands train athletes to maintain proper body positioning and strengthen the muscles responsible for rapid foot fire in any direction by developing the muscles responsible for lateral movement. The Pro Performance Lateral Resistor features a heavy duty nylon webbing and adjustable hook-and-loop ankle cuffs. Removes quickly to change up training or swap between athletes. Includes instructional DVD and six-week progressive training workout plan. Drills for multiple sports and movements are included on DVD.