Katana Golden Torrent Kobuse Blade Kogane Shizuku Koshirae 金流Clay Tempered Full Tang Shinken () Golden Torrent Katana: TangGu () Kobuse Blade () + TangGu () Kogane Shizuku Koshirae () The blade is forged in Kobuse zukuriconstruction, where a hardened steel jacket surrounds a softer core to achieve both resilience and cutting power. The surface reveals Masame hada and Mokume hada, displaying fine straight grains mixed with swirling woodgrain patterns through orikaeshi tanrenfolding. Along the edge runs a

and harmonious strength

The habaki (鎺) is made of white copper and engraved in the classic Nekogaki cat-scratch pattern (猫掻)

The habaki（鎺） is forged in smooth-finished brass

The green tone conveys freshness

The koiguchi (mouth)

Samegawa (Ray Skin 柄鮫): Natural white samegawa（本鮫皮 / ray skin）under the tsuka-maki

Blade Name: TangGu Folded Oroshigane Kobuse Blade (甲伏造)

imparting a subdued sheen that both enhances its austere beauty and protects against oxidation

more resilient spine

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

The fuchi and kashira (縁頭) are also made of hakudō (白銅)

This blade is forged from in-house refined Oroshigane (卸し金)