1, add proper amount of vinegar or edible alkali with proper amount of water.

2, diluted and sprayed on the luminous part.

3. Spread a wet towel or a wet white cloth on it.

4. Ironing and setting with an iron.

Wool generally refers to wool fiber fabric. Wool fiber is composed of protein molecules, and its appearance has a unique compact horny scale structure, which is closely covered. This sheet structure is very small, and its advantage is to prevent dirt from infiltrating into the fiber, so wool and woolen clothes are not easy to get dirty.