Knuckle shine hinada wanda ƙafafun ya juya, yawanci a cikin siffar cokali mai yatsa. Manyan cokali na sama da ƙananan cokali suna da ramuka biyu don KingPin, ana amfani da Jaridar Keyuckle don Dutsen. Abubuwan da aka tattara guda biyu na ramuka na pin a cikin masu tayar da ken da aka haɗa su da sashen dunkulen hannu a duka iyakar gaban KingPin, suna ba da izinin kare KingPin a wani kwana don jingina motar. Don rage sa, an guƙa buurar da tagulla a cikin ramin Pin, da kuma lubrication na busasshen an yi shi tare da man shafawa a cikin bututun ƙarfe da aka sanya akan ƙwanƙwasa. Don yin tuƙi sassauƙa, bearings an shirya tsakanin ƙananan lug na matsewar matse da kuma sashen dunkulallen gunaguni. Hakanan ana samar da gas a tsakanin kunne da kuma sashin dunkulen dunkulallen dunkulallen don daidaita rata a tsakani.
