Mo also works as a belt or sash to fix hitoe (a light white, red or blue unlined robe), uchigi (a series of brightly colored unlined robes that create a layered effect), uchiginu (a beaten scarlet silk robe worn as a stiffener and for supporting the outer robes) and uwagi (a patterned woven and decorated silk robe that is shorter and narrower than the Uchiginu).
単衣、袿、打衣、表衣を固定するベルトとしての役割がある。