How Materials Affect Tension
I’ve found that yarns with a bit of give like wool, silk, and cotton to a degree are better at holding tension. Linen needs a bit more care. Sometimes linen benefits from a misting of water to tighten it up. And it makes good sense to take your time when you dress the loom to make sure the tension is as even as possible.
If a warp is really badly tension, then it really does make sense to cut off and re-tension as it will likely get worse. If you’re weaving multiple projects on one warp and don’t have enough warp to cut off and re-tie, you can adjust your tension by just pulling the threads down and pinning it to your previous project as you go.
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