Soo bandhigida gacan-qabsiga saxanka ee raaxada iyo tayada sare leh ee leh Knob, oo laga sameeyay walxaha zinc alloy ee ugu fiican.Gacan-qabsigan quruxda badan waxa uu soo bandhigayaa xarrago iyo qurux, isaga oo ku daraya taabashada royalty albaab kasta oo ay soo jiidato.