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The tsuka (柄) is wrapped in yellow ito over natural white samegawa (鮫皮)
The tsuba (鍔) is a round brass guard with blackened patina
Saya Lacquer (鞘塗): Finished in Ao-Nashiji–style blue speckled lacquer（青梨子地塗）with fine reflective particles
finished with a deep black patina (煮黒 / Nuriguro)
Katana Tide Breaker Sanmai Blade Shioban Koshirae 破潮 Functional Sword The tsuka (柄) is wrappedClay Tempered Full Tang Shinken () Tide Breaker Katana: TangGu () Sanmai Blade () + TangGu () Shioban Koshirae () This katana, named Tidebreaker, is mounted in Shioban Koshirae. The blade is forged in Sanmai construction, placing a hardened steel core between softer outer layers for strength, durability, and balanced cutting performance. It is clay tempered, forming a flowing Notare style hamon along the edge. The surface shows Masame hada mixed with
