Without damaging doors or moldings, add variety to your resistance training with the TNT Cable System featuring a movable plastic door anchor and self-centering cradle that allows you to work your full body in multiple planes and to use dynamic exercises like twists, punches and chops to build balanced muscles and increased flexibility. The ergonomically designed handles allow for quick and easy cable changing to vary resistance levels depending on fitness levels and the muscle targeted for continued strength, endurance and performance gains. Includes one Instructional download or DVD.