Sashen aiki da ɓangaren da aka tura na kama suna shiga a hankali ta hanyar gogayya tsakanin saman hulɗa, ko kuma ta hanyar amfani da ruwan a matsayin hanyar watsawa (haɗin hydraulic), ko kuma ta hanyar amfani da na'urar maganadisu (kamannin lantarki), don a iya bayyana sassan biyu ga juna yayin watsawa.
A halin yanzu, ana amfani da maƙallin gogayya tare da matsewar bazara sosai a cikin motoci (wanda ake kira da maƙallin gogayya). Ana aika ƙarfin juyi da injin ke fitarwa zuwa faifan da ake tuƙawa ta hanyar gogayya tsakanin ƙafafun tashi da saman taɓawa na faifan matsi da faifan da ake tuƙawa. Lokacin da direban ya danne fedar clutch, babban ƙarshen maƙallin diaphragm yana tura faifan matsi baya ta hanyar watsawar ɓangaren. Sashen da ake tuƙawa yana rabuwa da ɓangaren da ke aiki.
