Rinse in plenty of water of the same temperature to avoid shrinkage. Gently squeeze, roll in a towel and hang in the shade to dry is storing. It can be mordanted while damp. A shaded clothes line Mordanting Many natural dyes will fade unless the yarn has been treated with a chemical to help fix the colour. This process is called mordanting.
Place damp wool in and gradually bring to boil.
Simmer 1 hour, stirring occasionally - add water if evaporation occurs. Cool and allow to stand overnight. Rinse wool before placing in dyebath. Iron - Mix iron and cream of tartar in cold water, add to 18 litres of water, then slowly bring to boil. Simmer 10 minutes, cool.