Warabitetō (:ja:蕨手刀) used by Emishi in Tohoku region. And Kenukigata-tachi evolved into tachi, which became the mainstream of Japanese swords for a long time. In today's Japan, straight swords made with the techniques after chokutō, are also called chokutō, and these are sometimes used in traditional ceremonies. The Sugari no Ontachi (須賀利御太刀) is one of the chokutō made as an offering to Amaterasu, the main enshrined kami of Ise Grand Shrine, and one of the most gorgeous sword mountings among the chokutō. According to tradition, the building of Ise Grand Shrine and its sacred treasures have been recreated to the same specifications every 20 years since the seventh century. The Sugari no Ontachi was first described in the compiled in 804, and it is believed that new decorations were added to the scabbard and sword fittings at each subsequent Shikinen Sengu (Rebuild every 20 years, 式年遷宮) to complete the design as we know it today. The Sugari no Ontachi currently offered to Ise Grand Shrine was remade in 2013 and is thought to have accurately inherited the style of sword mountings from the Heian period (794ー1185) and the forging method from the Sinto period (1596－1781). Gallery See also Japanese sword Tsurugi (sword) References Ancient swords of Japan Japanese swords