Flex-Ability ConceptsThe Three Legged Dog deflection clip by Flex-Ability Concepts eliminates fumbling or dropped clips. Slide the clip onto the top end of the stud. With the clip attached, raise the stud into the deep-leg track and snap into place. Then, secure the clip using conventional fasteners. The Three Legged Dog allows for 1⁷⁄₈-inch of total deflection.