Since hikae is not reinforced, 'kohimo' is twined around thumb once and tighten kake himo (a leather strap for securing a yugake) to assist the movement of boshi in "Kyudo-shaho hassetsu."
控えが固められていない為、“弓道射法八節”に於ける帽子の働きを助ける為に「小紐」を一回り親指に絡めてカケ紐を締める。