Mataimakin yana da muƙamuƙi guda biyu masu kama da juna waɗanda ke aiki tare don damƙa wani abu da riƙe shi a wuri.
Ɗayan muƙamuƙi ba shi da motsi, yayin da aka haɗa shi da kafaffen sashin jiki na mataimakin, ɗayan kuma yana motsawa.
Zaren dunƙule da aka haɗa da jaws yana wucewa ta jikin vise, kuma motsinsa yana sarrafa shi ta wani madaidaicin da ke gefen ƙarshen vise ɗin.
Ana amfani da matsi ta hannun hannu ta hanyar dunƙule, wanda sannan yana motsa muƙamuƙi mai zamewa. Lokacin da aka jujjuya agogo baya, hannun yana motsa muƙamuƙi mai motsi daga kafaffen kuma yana buɗe tazarar da ke tsakaninsu. Sa'an nan kuma, akasin haka, idan aka juya agogon hannu, hannun yana matsar da muƙamuƙi mai motsi kusa da kafaffen muƙamuƙi, don haka ya rufe su tare.
Muƙamuƙi da suka taru a kusa da kayan aikin suna riƙe abin da ake so da ƙarfi don a iya aiwatar da ayyuka kamar sawing, hakowa, gluing da zubowa a kai.
