How is a shirasaya different from a standard katana mounting?
Updated Feb 2026
A standard katana mounting — called a koshirae — includes a decorative tsuba (hand guard), ito (handle wrap), menuki (ornamental fixtures), and a lacquered saya. A shirasaya, by contrast, is a plain, unadorned wooden mounting consisting only of a fitted wooden handle and scabbard, with no guard or wrap. Historically, Japanese swordsmiths and collectors used shirasaya mountings to store blades long-term because the bare wood allows the steel to breathe and resists moisture better than lacquered fittings over extended periods. In today's collector context, a shirasaya presentation signals a focus on the blade itself as the primary object — minimal, refined, and rooted in preservation tradition. The O-Ren Ishii piece in this collection uses this format, complemented by a silver floral handle that references the character's aesthetic.