The Dakine Kainui 10ft longboard Calf leash is the Rolls Royce of surf leashes with a Nissan Micra price tag! Maximum strength 6mm urethane cord with precision molded fittings, a triple wrap rail saver and those all-important, double brass swivels for tangle free surfing. The 2 cuff is constructed from padded neoprene with an easy to find quick release tab, it is bigger than a standard cuff to allow walking maneuvers.