Keep arms/hands free -The Shoulder Dolly recognized the need for your arms to be unconstrained. The need for stabilization, opening doors, and overall balance is all attained. | Safely lift and move - Ergonomically designed to promote and facilitate proper lifting techniques. Built with heavy-duty materials, the ShoulderDolly can lift up to 800 lbs | Reduce back pain - Back pain and strain is avoided by ensuring proper lifting techniques and utilizing the body's strongest muscles, the legs and torso. Significantly reduces strain on arms and hands. | Versatility - Due to the seemingly unlimited adjustability of the strap through the buckle, users can move and lift heavy, bulky furniture easier than ever. | One size fits all - Differences in the height of movers are overcome due to the adjustability of the webbing through the buckle.