We built on this ko-tachi using hand forged-folded steel, shinogi-zukuri with bohi. the differentially hardened hamon were created as a traditional clay method. the hamon and folded hada(pattern) very prominent after hand polished, makes superior blade combination of beauty and functionality. features a finest and elegant koshirae be mounted on tsuka and saya, brass material allows for tough use. the saya was made of quality ebony.