PER4M Power Chute Strengthen fast-twitch muscles for short bursts speed Increase muscle mass in calves, thighs and quads Improve fast Directional change for better sports performance Mesh panels improve chute stability and prevent Tangling Adjustable belt with free slide ring for movement in all directions Provides resistance to build total body speed and power Develop rapid acceleration and proper form Quick release buckle allows mid run over speed surge Comes with a 54 inch chute with quick release buckle with free slide ring Comes with 10 drill cards and link to training videos