Ana amfani da kwayoyi huɗu na muƙamu hudu don matsakaics, kamar su a cikin na'urorin injiniyoyi don clamping hidkpiens, ya matsa matakai, da sauransu; Ta hanyar juyawa da goro, ana iya daidaita matsayin claws huɗu don cimma daidaitawa da sarrafa abin da aka ƙayyade; Gyaura hudu muƙamuo na iya samar da ƙarin rarraba ƙarfin ƙarfi, wanda ke taimakawa wajen kula da kwanciyar hankali na ƙira.