Karolo e sebetsang le karolo e khannoang ea clutch butle-butle e kenngoa ke khohlano pakeng tsa libaka tsa ho kopana, kapa ka ho sebelisa mokelikeli e le mokhoa oa ho fetisetsa (hydraulic coupling), kapa ka ho sebelisa motlakase oa motlakase (electromagnetic clutch), e le hore tse peli likarolo li ka bolelloa e mong le e mong nakong ea phetiso.
Hajoale, clutch ea likhohlano e nang le khatello ea selemo e sebelisoa haholo likoloing (tse bitsoang clutch ea likhohlano). Torque e hlahisoang ke enjene e fetisetsoa ho disc e khannoang ka likhohlano lipakeng tsa flywheel le sebaka sa ho kopana sa disc ea khatello le disc e khannoang. Ha mokhanni a hatella clutch pedal, pheletso e kholo ea "diaphragm spring" e khanna "pressure disc" morao ka phetiso ea karolo. Karolo e khannoang e arotsoe ho karolo e sebetsang.
