Then rub gently wash it down. Taken in reaction to the new color, such as alum, lime water, water, water, rust ash lye.If satisfied, then carved out and then dried in the sun. If you are not satisfied with the colors appear to be washed. Clean, then brought back to the dye reacts with other species, but caution Not to be mixed together. If not satisfied, the bark may be boiled with water again. To allow new Until it is satisfied that tied naked to dry.