Bag Isakoshi yo kubika inanga ni umufuka wimukanwa wagenewe cyane cyane abakunda inanga.Ikozwe mu bikoresho byo mu rwego rwo hejuru bya nylon, bishobora kurinda neza inanga ivumbi, ibishushanyo, amazi, n’ibindi bihumanya.Byongeye kandi, imbere mumifuka yububiko ikozwe mubintu byoroshye bya flannel kugirango harebwe ko inanga itangirika cyangwa ngo igongane mugihe cyo kubika.
Igishushanyo mbonera cyumufuka wabitswe ni ubwenge cyane.Ifata ibyiciro byinshi kandi ifite ibikoresho byinshi mumifuka yubunini butandukanye imbere, kuburyo ubwoko butandukanye nubwinshi bwa garmonika bishobora kwakirwa.Byongeye kandi, igikapu cyo guhunikamo inanga gifite ibikoresho byihariye bitarimo ubushuhe, bishobora kurinda neza ibikoresho nubwiza bwamajwi.Birakwiriye cyane mubikorwa byo hanze cyangwa ingendo.