Hello everyone,
There I was, watching knifemaking videos on youtube. when I stumble across Walter Sorrells' channel and promptly made it my business to watch everything there. The last video I watched confused me, though. It was a performance test of a hira zukuri katana he had made, and it stands up to being chopped repeatedly through a 2x4, taking only cosmetic damage.
I'm not doubting this test at all, and I have the utmost respect for Mr. Sorrells. The question I have is, if hira zukuri is a perfectly fine blade profile for a long sword, why weren't more of them made?
Here's th