Generally speaking, lace knots are artificially tied and woven. The knots are formed by tying black hair growth to the lace. If the wig is not bleached, you may see black knots on the 13×4 Lace Wig. Generally speaking, there are two types of knots, double knots and single knots. double konts: these type of knots give a very big apperance in size and are very visible, double konts are harder to bleach and mostly found 2 inched behind 13×4 Lace Frontal hairline. The price of traditional crafts is cheaper than single knot wigs. Single knots: these knots are smaller in size and normally found at the front hairline of lace wigs.single knots are easier to bleach and give a more natural hairline apppaerance. Usually lighter. And by bleaching the knots, it helps the 13×4 Lace Front Wig look more natural. Here are the steps to bleach the knot: step 1: Before bleaching, make a good bleach. According to your skin color, determine which color developer you want, and mix the developer and bleach in equal parts. The higher the developer, the lighter the knots. Stir the mixture thoroughly to ensure that there are no lumps in the mixture. step 2: protect the hair You can use a little spray, oil or water, if any bleach oozing out can protect the hair. Step 3 turn the wig inside out Put the wig on the canvas head in turn, and fix it appropriately. Step 4: Start the bleaching process After waiting for the bleach to mix, start from the front of the hairline and apply the mixture to the area where it should be bleached. Step 5: let sit for 15-20 minutes (time will vary for different wigs) Watch the knots closely, the final color will change to pale yellow, yellow depends on the length and frequency of the time, usually starting from black, changing to brown-red-brown red-red orange-orange yellow-light yellow-these colors are inevitable. Step 6: properly wash wig This helps to clean the bleaching agent. Many times we cannot bleach the hair to light yellow, and more of it looks brassy. This is unavoidable, but there are many products that can help remove the brassy or Yellow tint in bleach. Or you can modify it with concealer. Please follow the above tips and hope this blog can help you! If you need any more help just let us know either by visit www.mslynnhair.com