I-Knuckle yi-hinge apho ivili ijika khona, ihlala ikwimo yemfoloko. Ii-doks ezingaphezulu nezezantsi zinemingxunya emibini ye-honong ye-ringpin, kwaye ijenali yejenacle isetyenziselwa ukumisa ivili. Ezi zinto zimbini zemingxunya yePIN kwi-nuckle iqhagamshelwe kwicandelo le-fist elenziwe kuzo zombini iziphelo ze-ixpin, ivumela ivili langaphambili kwi-chiepin kwi-chiepin kwi-engin kwi-engin kwi-engin ephethe imoto. Ukunciphisa ukunxiba, ityhubha yobhedu icinezelwe kumngxunya wePIN yaseKnyuckle, kunye nokuthambisa kwe-Bubring inyibilikisiwe ngegrisi efakwe kwi-nozzle ebekelwe i-nozzle ebekelwe i-nozzle. Ukwenzela ukuba kube senze i-thect bheet, iibherings zilungiselelwe phakathi kwe-lug esezantsi ye-nunuckle ephantsi kunye ne-fists ye-axle yangaphambili. I-gasket yohlengahlengiso ikwabonelelwa phakathi kwendlebe kunye ne-fistlit ye-fist ye-nuckle yokuqhuba i-goap phakathi kwabo.
