The black Stedi-Stock Shoulder Brace from Stedi-Stock is a lightweight optical stabilization solution for photographers, videographers, hunters, and birders. Eliminate poor image quality due to camera shake and stop missing out on precious nature observations due to unbalanced optics. The Shoulder Brace is made of high strength nylon, has adjustable eye relief to fit the operator's use, and includes an attachment handle with a 1/4"-20 screw and a shoulder strap for added comfort. With this device, you have optical stability and mobility in a well-balanced and adjustable design.