There are four basic shapes of tsuka:1. "Haichi Tsuka", the most common, the mune-side almost straight, the ha-side slightly tapered, following the lines of the sword2. "Rikko Tsuka", almost hour glass shaped3. "Imogata" ("potatoe shape"), both sides straight4. "Morozori", closely following the shape of the saya, mostly with tachi/ handachi The le...
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