Project "Gotoba"

"Gotoba" is a name of emperor in the early 13th century. We named this project after the emperor's episode. He invited master smiths to his palace and made swords by himself. Probably he did only a small part of sword making. The hardening work (tempering) is most possible for amateurs.

Now, we introduce blades what customers have done the hardening work (or some other stages) by themselves. Of course they are amateurs, and our smith who supports customer's challenge is not a master smith. But those blades show something useful to study "what sword is".

Tanto "Q"

Big success of hardening work

Tanto "Ryo"

Calling the choji hamon out of the steel

Tanto "US"

Hardening work (tempering) was done by University Students.

Sister blades hardened by ladies


Tantos in special sandwich style


Tanto shobu-zukuri style

Wild hamon like Soshu style has come out.

Tantos in kobuse style


As a matter of fact, there were many failed challenges behind of these successes.



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