“Blind Swordsman Zatoichi Sword”
This sword was popularized by the blind swordsman, Zatoichi, it’s a full-length straight katana called “chokuto“, disguised as a simple walking stick just like in the film series.
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The video below shows the difference in flexibility between the 1st Generation and 2nd Generation. The 2nd Gen is more flexible like a 1060 blade.
More subtle wire brushed hamon which looks like a real hamon.