What You Should Know Before Bleached Knots Wigs Bleached Knots Wigs is usually always tied to having a lace closure.or lace frontal. When manufacturers create these closures and frontals, there is often a dark knot where they secure the hair strand. When the buyers or people like us receive the weave the lace part looks unnatural to what the color of our scalps is. So, bleaching the knots or lightening them will help the hair appear...