Regular shortboard leash with double brass swivels, detachable rail saver & key pocket. About FCS Leashes FCS are first & foremost a surf travel company. You get a minimum amount of graphics & logo & a maximum amount of robust product designed for the rigours of the road. Cords & cuffs are interchangable (with an Allen key) so you can mix & match if you do end up breaking a leash when you're abroad.