The Multipurpose Strap works with the TheraPulley or any functional trainer. It is padded for comfort and utilizes a Velcro strap to accommodate many sizes. This strap is commonly used for attaching the pulley to the head for neck exercises. Additional uses as an ankle strap allowing for hip adduction, abduction, flexion and extension. It is used successfully for scapular adduction/retraction; terminal knee extension and hip external and internal rotation.