The Lifeline(R) Lateral Resistor provides as little or as much dynamic resistance needed to all footwork or agility drills. By using the ankle cuffs equipped with multiple, patented Lifeline(R) Cable Pockets, the user can quickly add or remove cables to make each drill easier or more difficult. Improvements in each these qualities will carry over new levels of athleticism and overall performance. Strengthen Your Results Innovative patented cable pocket design Adjustable resistance for Lifeline cable Securely fasten cuffs with hook and loop closures on each ankle Additional Details 60 day limited warranty