Brocade
You weave gold and white patterns into this towel, turning it into brocade. It's beautiful, elegant, and worth way more than when it was just a plain towel.
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にしき
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You want to keep your brocade fabrics safe, so you lock them away and seal them in with a niche key (にしき). It's niche because brocade is a very niche kind of thing.
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