A groove, shaped to take the lay of the rope, is cut lengthways in the parallel side; and a wedge- piece, the inner side of which is similarly grooved to grip the opposite side of the rope, slides in against the inclined side.
Umgca ovuliweyo isimo sokuthatha intambo ebekiweyo, sisikwe kwicala lobude kunxusene amacala, icala leverhe, umphakathi oye uthi ufaniswe nobambo olukwelinye icala lwentambo itshebeleze ngaphaya kungakhatyelwa ecaleni.