Use the Over Door Exercise Pulleys to help improve range of motion and coordination following CVA; the stronger arm pulls the affected arm up in a controlled stretching motion. Useful for slow, passive stretching. Ideal for home range of motion programs. Large handles are easy to grasp. A cuff-style weight can be added to one side for more resistance and to build muscle strength. (Weights sold separately). The 8′ (2.6m) rope can be adjusted easily for proper fit. Two models are available. Over Door Exercise Pulley with Webbing Anchor fits snugly between the door and frame.Will not scratch surfaces.