Shipping Included Superior Burn. Superior Results. The Leather Tricep Strap features edges that wont pinch, scrape or cut, and a patented lambs wool lining that allows your hands to breathe while in use. It can be used for Tricep Pressdowns, Ab Crunches, Bicep Curls, Tricep Extensions, Front and Side Deltoid Raises and much more. The strap will last forever!