Katana Blazing Sun Oroshigane Kobuse Blade Jojaku Koshirae 炎陽 Saya Beneath the wrap rests a

Beneath the wrap rests a pair of blackened white-copper menuki（目貫） in a floral design

using Kobuse-zukuri (甲伏造) construction in which a hardened outer layer encases a softer core

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

with hishigami (paper inserts) used for consistent diamond shaping

the wheel motif has been favored in Japanese craftsmanship for centuries

Katana Blazing Sun Oroshigane Kobuse Blade Jojaku Koshirae 炎陽 Saya Beneath the wrap rests aFolded Oroshigane Steel Shinken () Blazing Sun Katana: TangGu () Oroshigane () Kobuse Blade () + TangGu () Hantachi Jojaku Koshirae () The Hantachi style koshirae () combines classical design with functional strength. The blade is forged from Oroshigane () steel in Kobuse zukuri () construction, with a hard steel jacket and softer core. The surface shows Ayasugi hada () grain and a straight suguha hamon () created through clay tempering (). The saya