A rough design is drawn with colors extracted from petals of blue Asiatic Dayflowers, and resisting agents, which are contained in a thin case, are placed on a fabric in a way similar to the way in drawing an outline with ink.
ツユクサの花弁から抽出した色素で下絵を描き、輪郭を墨で描く要領で細い筒に入った防染剤を生地に載せていく。