【Regain Shoulder Health】-- Perfect occupational & physical therapy aids. It can assist you to stretch in various directions to improve shoulder movement and ultimately for rehabilitation from shoulder surgery or injury. Effective exercise method for speeding recovery time and complete shoulder health restoration 【Improve Range of Motion】-- Use the over the door pulley for shoulder rehab, perform various shoulder exercises to help for arthritis sufferers, and those suffering from tendonitis, frozen shoulder syndrome, rotator cuff injury or bursitis to improve range of motion 【Fit All the Door & Easy To Install】-- Non-slip door strap easily fit all the doors. For a secure fit, the strap has a foam exterior layer to prevent scratches and other damage to the door surface. Handles are also padded with a soft foam for a comfortable and secure grip