Birashoboka ko uri ratchet ya santimetero 3 uhambire imishumi yumuyobozi ugura, ushakisha uburyo bwiza bwo hejuru bwa santimetero 3 zihuza imishumi , kandi Lishenflex numushinga wabigize umwuga & utanga ibicuruzwa bishobora kuguha ibyo ukeneye. Ntabwo igipimo cya santimetero 3 gusa gihuza imishumi twakoze cyatanze icyemezo cyurwego mpuzamahanga, ariko turashobora kandi guhaza ibyo ukeneye. Dutanga kumurongo, mugihe gikwiye kandi urashobora kubona ubuyobozi bwumwuga kuri 3 cm ya ratchet ihambiriye imishumi . Ntutindiganye kutumenyesha niba ushimishijwe na ratchet ya santimetero 3 uhambire imishumi , ntituzagutererana.