Katana Tidal Dragon Oroshigane Kobuse Blade Tōryū Koshirae 潮龍Folded Oroshigane Steel Shinken () Tidal Dragon Katana: TangGu () Oroshigane () Kobuse Blade () + TangGu () Try Koshirae () This katana () features a blade forged from in house refined Oroshigane () steel in Kobuse zukuri () construction a hardened outer jacket surrounding a softer core, achieving both strength and resilience. The surface reveals an elegant Ayasugi hada () pattern, resembling flowing cedar grains with rhythmic waves. A calm and

finished in a darkened patina

The uchigatana-style koshirae (打刀拵) combines traditional design with functional strength

and enduring craftsmanship

The blade is forged in Sanmai（三枚構造）construction with a hardened steel core and softer outer layers

Tsuba (Handguard 鍔): An iron tsuba with an openwork plum tree and resting bird motif (Ume ni Shukuchō Sukashi / 梅樹宿鳥透鐔)

Traditional folding produces a mixed Mokume-hada and Masame-hada (杢目肌・柾目肌交じり) grain pattern

geometric precision

The Karakusa fuchi-kashira set is crafted from white copper and adorned with a flowing karakusa scroll motif

Blade Name: TangGu Traditionally Forged Kobuse Blade (甲伏造)

This subtle ishime-ji pattern creates a refined tactile quality that enhances both grip and aesthetics

The tsuba (鍔) is a mokko-gata (木瓜形) iron guard with blackened patina (煮黒仕上げ) and plum blossom sukashi (梅花透かし)

TangGu (湯谷) Maru Blade