Dunƙule Cap vials na duniya ne. Scringarfafa hula yana amfani da ƙarfi na injin da ke matse masu setum tsakanin gilashin rim da hula. Dunka kusoshi suna samar da kyakkyawan hatimi kuma riƙe septum a cikin wurin yayin sokin. Babu kayan aikin da ake buƙata don Majalisar.
