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It's called fulling: https://en.wikipedia.org/wiki/Fulling https://en.wikipedia.org/wiki/Fulling First they soak the fabric in stale urine. Then the tiny sting
by throwup238 3y ago
It's called fulling: https://en.wikipedia.org/wiki/Fulling https://en.wikipedia.org/wiki/Fulling
First they soak the fabric in stale urine. Then the tiny stinging hairs on the nettles acts as a natural brush to lift and separate the wool fibers.