Ibikapu bipfunyitse kumpande eshatu nubwoko busanzwe bwo gupakira byoroshye gukoreshwa mubicuruzwa bitandukanye, birimo ibiryo, ibiryo, imiti, nibindi byinshi.Iyi mifuka yubatswe mu gufunga impande eshatu zurupapuro ruringaniye rwibikoresho byo gupakira, hasigara uruhande rumwe rufunguye kugirango wuzuze ibicuruzwa.Uruhande rufunguye noneho rufunzwe nyuma yo kuzuza, gukora pake itekanye kandi yumuyaga.