Birashoboka ko uri umuyobozi wa kugura ibipimo bya santimetero 4 , ushakisha uburyo bwiza bwo hejuru bwa santimetero 4 , kandi Lishenflex ni uruganda rukora umwuga wo kuguha ibyo ukeneye. Ntabwo igipimo cya santimetero 4 gusa twakoze cyatanze ibyemezo byinganda mpuzamahanga, ariko turashobora kandi guhaza ibyo ukeneye. Dutanga kumurongo, mugihe gikwiye kandi urashobora kubona ubuyobozi bwumwuga kuri 4 cm ya ratchet . Ntutindiganye kutumenyesha niba ushishikajwe nigitambara cya ratchet 4 , ntituzagutererana.