Birashoboka ko uri santimetero 3 ziremereye za ratchet zo kugura ibicuruzwa, ushakisha ibicuruzwa byujuje ubuziranenge bwa santimetero 3 ziremereye , kandi Lishenflex numushinga wabigize umwuga & utanga ibicuruzwa bishobora kuguha ibyo ukeneye. Ntabwo ari imishwaro iremereye ya santimetero 3 gusa twakoze yatanze ibyemezo byinganda mpuzamahanga, ariko turashobora kandi guhaza ibyo ukeneye. Dutanga kumurongo, mugihe gikwiye kandi urashobora kubona ubuyobozi bwumwuga kuri santimetero 3 ziremereye . Ntutindiganye kutwandikira niba ushimishijwe na santimetero 3 ziremereye za ratchet , ntituzagutererana.