Katana Mythbusting Extreme

Note: This is not degrading Katanas in, Tameshigiri athletes and certainly not Japanese swordmakers. It is just a bit of Katana mythbusting, is all.
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The Katana is notoriously famous around the world. While it is no doubts a fearsome weapon and extremely lethal in the hands of the practiced master, how dangerous is it really when wielded by a total newbie?

Can a total amateur cut a "human leg" equivalent (Tatami Omote)?

Can a crude home made "sword" (sharpened flat steel) cut an Omote mat?

Can a Katana cut through a cheap steel sword without any damage?

This video has the answers.

A "The Slingshot Channel" production.