Why the Last Stage Matters Most

Cloth straight off the loom is an unfinished thing. It looks like cloth, but it behaves like a set of threads held in a grid — stiff, flat, often with a papery crispness that has nothing to do with the yarn you chose or the pattern you wove. Wet finishing is the family of processes — washing, fulling, pressing and drying — that turns that rigid grid into fabric. It relaxes the yarn, evens out the weave, closes the gaps between threads, and gives the cloth the softness and drape you were chasing when you chose the yarn in the first place.

None of it is difficult. It is, however, largely irreversible, so it pays to know what each step does before you plunge your cloth into hot water.

Washing: The First Plunge

Most cloths begin with a hand wash. Use water at roughly the temperature the finished cloth will meet in real life: warm for wool, hotter for cotton and linen. A pH-neutral liquid soap or good soap flakes are ideal; avoid anything with bleach, enzymes or fabric softener. Soak for twenty to thirty minutes, then knead gently, working the water through the cloth rather than scrubbing at it.

The details that matter most:

• Never shock wool. Sudden temperature changes, especially hot to cold, encourage felting you did not ask for.
• Support the wet cloth. Wet wool is weak. Lift it in a bundle with both hands rather than dangling it by one corner.
• Rinse until the water runs clear, then rinse once more. Residual soap dulls colour and attracts dirt.
• Do not wring. Squeeze gently, or roll the cloth in a towel and press.

Fulling and Felting: Density, Softness and Control

Fulling is deliberate, controlled shrinkage. Warm water plus friction makes the scales on wool fibres lift and lock together, so the cloth thickens, tightens, and gains a lovely bloomed surface. It is the difference between a loose, hairy length of weaving and a proper tweed or blanket.

The line between fulling and felting is simply control. Fulling stops where you want it to; felting runs away and mats the cloth into something you cannot undo. So sample first. Cut two generous squares from your loom-state cloth, mark a 10cm measure in both directions with contrasting thread, then wash and agitate one while leaving the other alone. Measure again. That gives you a shrinkage percentage you can trust when you come to plan a garment.

Work the real cloth by hand in a basin, or in a machine on a short, cool cycle with a couple of old towels for company, checking every minute or two. It will go further, and faster, than you expect. Rinse in water of the same temperature, and stop while the cloth still has life in it.

Pressing and Drying: Setting the Hand

How a cloth dries shapes how it feels. Wool likes to dry flat in moving air, away from radiators, patted into shape and left alone. Linen and cotton can be hung, but for drape rather than crispness, hang the cloth and let gravity work — pin it along the selvedge, weight the hem lightly, and let it dry under its own weight.

Pressing is not ironing. Ironing drags the soleplate across the cloth and stretches it; pressing lifts and places, letting heat and steam do the work. A few practical points:

• Press damp, not bone dry. Moisture carries heat into the heart of the cloth and sets the threads.
• Wool: press on the wrong side through a damp cloth, or hover with steam. Never drag a hot dry iron over wool — it will flatten the loft and give you an unwanted shine.
• Cotton and linen: can take a hot, damp press directly, and thrive on it. Linen becomes smooth and slightly lustrous.
• For softness and movement, skip the final hard press. A light steam and a good hang give a far better hand than a crisp, flattened finish.

Keeping Records and Samples

Write it down. Note the sett, the yarn, the water temperature, how long you agitated, the shrinkage you measured, and your verdict on the finished hand. Keep the sample square with the note, labelled and dated. Next time you weave that yarn you will have a recipe rather than a guess.

And always wash a sample before you cut into a garment. You cannot undo the plunge, but you can certainly learn from a square the size of your palm.

Judging When the Cloth Is Done

Hold the cloth to the light, let it fall over your hand, scrunch a corner and feel it spring back. Finished cloth has a quietness about it: the threads sit together, the surface is even, and the drape has weight and movement rather than stiffness. Some cloths are ready after a single wash. Others want two or three, and linen in particular softens every time it meets water, so a cloth that feels ordinary today may be lovely after a fortnight of use.

Trust your hands, give the cloth the time it asks for, and resist the urge to press everything flat. The finished cloth — soft, settled and full of movement — is worth the wait.