Round-shaped Tsuba (丸形, Maru Gata). Kagi design (鉤), hook, in Sukashi (透), opening. Rounded edge Maru Mimi.

• Height: 83 mm
• Width: 83 mm
• Thickness: 5.0 mm
• Weight: 90 g

This Tsuba has as its motif Kagi (鉤), hook of the school Sukashi Heianjo (平安城). The Tsuba Heian Jo or Kyo-Sukashi testify to the elegance of the noble court of Kyoto. Their production begins at the beginning of the Muromachi period (1390 to 1430).
There is a wide variety of styles and patterns, most of them featuring fine and elegant openings. The Seppa-dai and Hitsuana are slender and match the appearance of the pattern.
Sometimes older examples produced between the Muromachi and Momoyama periods are called Heianjo Sukashi.

The Kagi (鉤), hook is considered a symbol of luck and relates to the story narrated in the Kojiki and the Nihon Shoki, about the rivalry of Amaterasu’s little children, the Hoori brothers who borrowed his lucky hook from his older brother Umisachi.
In the end, Hoori marries Princess Toyotama, daughter of the sea deity Watatsuni. Their grandson will be none other than Jinmu, the first emperor of Japan.
Umisachi the original holder of the lucky hook also bears the name Hoderi, and is, according to ancient chronicles, the ancestor of the Hayato people (隼人), the falcon people, south of Kyushu in the Satsuma and Ōsumi regions during the Nara era.