Patented and Universal, unique in the world that is mounted in place of rampant. He puts and takes off when you want with a simple movement. Uphill is taken into custody fabric anti-tear. Compatible with all brands of attacks rampant support system "Dynafit". Sold in kit form with their locking devices BSS. The same pair of ski stopper can be used on several pairs of skis simply installing additional locking devices on the same BSS.