Makullin tsayawa mai hanyoyi uku Ana amfani da shi don haɗawa da na'urar jiko don haɗawa da sarrafa jiko na jijiya, auna matsin lamba da sauransu. Maƙallin dakatarwa yana da buɗaɗɗen buɗewa guda uku (tashoshi) waɗanda za a iya haɗa su da bututu, sirinji, ko wasu na'urorin likita. Babban maƙalli ko lever yana bawa masu samar da lafiya damar sarrafa alkiblar kwarara ta hanyar juya ta don daidaitawa da takamaiman tashoshin jiragen ruwa.