Birashoboka ko uri imishumi ya ratchet umuyobozi ushinzwe kugura santimetero 1 , ushakisha imishumi yujuje ubuziranenge ya santimetero 1 , na Lishenflex numushinga wabigize umwuga & utanga ibicuruzwa bishobora kuguha ibyo ukeneye. Ntabwo gusa imishumi ya ratchet 1 santimetero twakoze yatanze ibyemezo byinganda mpuzamahanga, ariko turashobora kandi guhaza ibyo ukeneye. Dutanga kumurongo, mugihe gikwiye kandi urashobora kubona ubuyobozi bwumwuga kumurongo wa ratchet . Ntutindiganye kutwandikira niba ushishikajwe no gukenyera imishumi ya santimetero 1 , ntituzagutererana.