Fine Raden Lacquered Saya 細螺鈿塗Handcrafted Fine Raden Lacquered Saya with Natural Horn FittingsKoshirae Grade Finish This handcrafted saya features a fine raden lacquer finishan intricate surface treatment using micro particles of luminous shell inlay (raden) scattered densely across a black lacquer base. The result is a refined, almost celestial shimmer, with countless iridescent fragments that catch the light and shift between shades of silver, blue, and green, evoking the image

The tsuba is a mokko-style guard (木瓜鍔) made of blackened iron

social status

The koiguchi

emphasizing simplicity

The blade is forged in Sanmai（三枚構造） construction

Handle Wrapping (柄巻): Deep brown silk (or cotton) tsuka-ito (濃茶柄糸)

Clay Tempered Full Tang Shinken (真剣) | Radiant Wave Katana: TangGu (湯谷) Maru Blade (丸造) + TangGu (湯谷) Kōrin Koshirae (光浪拵)

The saya (鞘) is finished in glossy black Kin Ryūhen raden-style lacquer (金流変螺鈿塗)

multicolored mother-of-pearl pieces set across the entire scabbard surface

its clove-shaped undulations formed through traditional clay tempering (覆土焼入れ)

decorated with matching serpent designs to harmonize with the guard

and kojiri (end cap) are crafted from polished natural horn