Bleached Knots Wigs are a process used to lighten the knots on the base of a lace wig. The base of a lace wig is typically made of lace, and the hair is tied to this base using knots. These knots are usually dark, which can make it difficult to achieve a natural-looking hairline. Bleaching the knots is a technique used to lighten the knots, making them less noticeable and blending in with...