Forged in iron and constructed with eight-vertical plates, each overlapping with the rear edge standing in profile, the surface finished to a rich russet patina, and mounted on the crown with a four-stage gilt and copper tehen kanamono, the mabizashi applied with a gilt-copper "twisted rope" fukurin and a large, bold, long-horned demon maedate of lacquered wood, glass eyes, twisted wire whiskers and a shock of horse hair, the bowl fitted with a four-lame black-lacquer shikoro laced in dark blue and finishing in long narrow fukigaeshi applied with gilt-metal heraldic crests of flower heads enclosed within circles, the bowl inscribed Gitsu
With Tokubetsu Kicho Shiryo (Especially Important Material) certificate no. 1519 issued by the Nihon Katchu Bugu Hozon Kyokai (Society for the Preservation of Japanese Armor), dated November 23, 2008.