Nō (nōmen) masks are classified into five main characters, each comprising numerous varieties: this belongs to the main character Onna (woman) of the Shakumi variety, a middle-aged woman. Characterized by the white complexion, the shaved eyebrows drawn on the upper part of the forehead and especially the blackened teeth, a cosmetic practice typical of married women. Nō masks representing female roles were used by male actors, since acting was forbidden to women.