Why Finishing Is the Making of the Cloth

Off the loom, handwoven wool is a shadow of what it can become. It feels stiff, wiry, and uncertain. The pattern may look flat, the selvedges wavy, the handle harsh. Finishing — washing, fulling, and pressing — is what turns those threads into cloth with drape, warmth, and a professional finish. It settles the weave, evens out small irregularities, and encourages the fibres to bloom and interlock. For many weavers, the finishing is as creative as the weaving itself.

But here is the warning that belongs at the very start: finishing is irreversible. Once wool has fulled, you cannot un-full it. That is why every serious weaver keeps a generous sample of the same warp, weft, sett, and twist, and practises the entire finishing routine on that sample before the real cloth goes anywhere near water.

Know Your Wool Before the First Soak

Not all wool behaves the same way in warm water. Merino and other fine, crimpy fibres full quickly and dramatically. Bluefaced Leicester and Romney full more slowly. Herdwick, Welsh Mountain, and many longwools resist felting and may need deliberate agitation to develop any real drape. Handspun yarn fulls differently from mill-spun, because your own twist and grist vary from metre to metre.

Before you wet the cloth, write down the essentials: breed or blend, yarn thickness, sett, twist direction, and the finishing routine you intend to use. Then treat a sample exactly as you plan to treat the cloth. Measure the sample before and after, and note how the handle changes. This is not fussiness. It is the only reliable way to know whether your cloth will shrink by five per cent or twenty.

Washing Without Agitation

For a plain wash — no fulling intended — fill a basin or tray with lukewarm water, around 30°C, and add a capful of pH-neutral wool wash. The cloth should lie loose, not crammed. Let it soak for fifteen to twenty minutes. Do not swish, stir, or rub. Wool fibres are covered in microscopic scales, and agitation in warm water makes those scales lock together. Even gentle movement can start the felting process.

To drain, lift the cloth with both hands, supporting its full width, or slide a sheet underneath and lift that. Never pick up a heavy, wet piece by one corner. Rinse in water of the same temperature — a sudden change from warm to cold can shock the fibres into felting. If you need to remove excess water, roll the cloth in a clean towel and press down firmly. Do not wring or twist.

Fulling by Hand for Drape and Warmth

Fulling is controlled felting, and it is how you persuade wool to thicken, soften, and drape. Use warm water, around 35–40°C, with a little wool wash or olive oil soap. Knead the cloth gently, as if making bread. Lift and drop it, rub it between your palms, or roll it in a bamboo mat and roll back and forth. Work in short bursts.

Check the cloth against your sample every minute or two. Stop when the weave looks even and the handle feels soft and slightly springy — usually fifteen to twenty per cent before you think it is finished, because pressing and drying will continue the process a little. Rinse in cool water to set the fulling, then roll in a towel. In Scotland, fulling was once a communal task called waulking, with rhythmic songs to keep the work steady. You can work alone, but keep that same steady rhythm: gentle, patient, observant.

Pressing and Shaping

Pressing is not ironing. Ironing slides the iron across the cloth; pressing lowers the iron and lifts it again. Use a steam iron with a damp cloth over the wool, or hover the iron just above the surface and let the steam do the work. Press along the selvedges first, then across the width, then along the length. Do not press sharp folds into the cloth unless you want them. For crisp edges, use a tailor's clapper or a heavy book wrapped in cloth.

To dry, pin the cloth out on a blocking board or thick towels, squaring the corners and smoothing the selvedges. Let it dry flat, away from radiators and direct sunlight, with air moving around it. Turn it once or twice. A handwoven cloth that dries square will stay square.

Drying, Storing, and Everyday Care

Once dry, your cloth will have a memory of its own. Fold it, stack it, or hang it loosely — but never hang wet wool. Store finished pieces folded in a cotton bag or pillowcase, with cedar blocks or dried lavender nearby to deter moths. Check stored cloths every few months, and air them in dry weather. For spot cleaning, dab with cool water and a little wool wash, then dry flat.

When the cloth eventually needs a full wash, treat it as you did the first time: cool or lukewarm water, pH-neutral soap, no agitation, same-temperature rinses, and flat drying. With each gentle wash, the fibres will bloom a little more, the surface will soften, and the cloth will settle into something that feels genuinely yours. Proper finishing is not the last step of weaving. It is the step that makes the weaving worth wearing.