How to prevent a spot of color becames wilder on the tissues, irreparably runing a drawing?

How to define sharp outlines? How the colors softn together harmoniously, creating suggestive contrasts?

the tissue quickly absorbs the colors, so you need to know all the techniques to counter this trend, considering the silk reacts differently to linen, as the wool from the velvet and so on.

The use of painting on textiles ranges in all fields: clothing, linen for the kitchen and the house, furniture, paintings.