Oroshigane Kobuse Katana Shirasaya with Nashiji-hada Grain and Choji-midare Hamon Koshirae as if the wings are

as if the wings are gently turning in the wind

Temper Line (Hamon 刃文): Clay-tempered Chōji (丁子) hamon – The blade is differentially hardened (yaki-ire / 焼入れ) to produce a lively

This handcrafted saya features a Red Sparkle Lacquer (赤ラメ塗) finish—a deep crimson lacquer base enriched with fine reflective particles

while polishing reveals a natural and flowing Gonome-Midare hamon (互目乱刃文) formed through clay tempering (覆土焼入れ)

Oroshigane Kobuse Katana Shirasaya with Nashiji-hada Grain and Choji-midare Hamon Koshirae as if the wings areFolded Oroshigane Steel Shinken () Nashiji Choji Katana: TangGu () Oroshigane () Kobuse Blade () + TangGu () Shirasaya Koshirae () This blade is forged from in house refined Oroshigane (), using the Kobuse zukuri () construction. The folding process produces a refined Nashiji hada (), where shimmering grain textures resemble scattered pear skin particles under light. Polishing reveals an elegant Choji midare hamon (), its clove shaped undulations