Kizu is the evidence of repeated forging The Japanese sword is primarily composed of tamahagane (steel made from iron or black sand). As it is forged repeatedly, there are cases where impurities are not completely removed or small mistakes during...

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The Japanese sword is divided based on the period of era it was made. Kotō (old sword) refers to the sword made before the Keicho era (just before the Edo period) and Shintō (new sword) refers to swords made between...

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