Creatures of Leisure LONGBOARD 10 - Knee Surf Leash Featuring DNA flex mold technology; Cord connection stretches with the leash to resist breakage Stainless steel bearing swivel; An unbreakable, self-lubricating swivel that produces continuous friction-free motion, eliminating leash tangles Surefire Leash Release; The extruded urethane loop sits permanently upright for quick release at all times, especially in an emergency 2 Year warranty