Ibikoresho byo gusya umuceri bigira uruhare runini mubiryo byubuhinzi, cyane cyane mugutunganya umuceri, kimwe mubiryo byingenzi ku isi. Ibi bikoresho byagenewe gukuraho icyuma n'amashami mumuceri wa paddy, kuyihinduramo umuceri wera abaguzi benshi bamenyereye. Gusobanukirwa ibice bitandukanye nibikorwa byibikoresho byo gusya umuceri bira