Japanese Swordsmith Komiya Kuniharu

[zowzow1]

This is really amazing to see Yaki-Ire process with see-through water vat.

Thanks for posting it!

[poch1270]

焼きいれであんなふうにそるのが分かる貴重な画像ですね。

[wizzbangtg]

That quench tank was very cool. The amount that his blade bent in the quench tank was very amazing.

Great post!

[brutolf]

They you may understand why the crack in the quenching sometimes. Especially when it's done wrong.