Steps. Purchase a hair weft. Comb through the hair weft with a comb or brush just as you would your own hair. Prepare the hair weft. Lay the weft clip on a flat surface. Locate the 2 sewing holes on each side of the comb. Cut a strip of thread about 12 inches long. Sew each side of the hair weft onto the weft clip. Apr 19, 2011 - Clip-in extension kits, in both human and synthetic hair, are incredibly . Needle and strong matching or invisible thread, to sew the wefts and clips together . There are several variations on the best way to do this, some using . Thread your cotton through your needle. Go through the top of the extensions (where the cotton is). Where u want your clip to start. Put the needle through the . EASY How To Sew Clips Onto Your Hair Extensions / Weave /Tracks How To . 50 natural hairstyles gurus give the best 3 natural hair products for black hair. To learn how to sew clips on hair extensions, please check this simple guide as the . clip wefts to be, which usually go on both sides of your head, near the top. Jun 10, 2015 - Step 7: Select the weft of hair that will best fit the section. You will continue to do this for each section. If you have clip-in hair extensions with .