How to sew clips Slip your thread through the hole in the needle and make a knot at the end. Loop the thread through the eye of the needle, then pull it through. Pull on both ends of the thread so they’re about the same length. To secure your thread in place, knot both ends together. How to sew clips Knot the thread 3 times around the first hole in the hair extensions clip. Loop the thread through the first hair extensions clips hole, then guide the thread through the loop that’s attached to your needle. Tighten the thread to form a knot along the hair extensions clips, which helps hold it in place. Create 2 more knots just like this one to attach the clip securely to the hair extension. How to sew clips Tie the thread 3 times through the next hair extensions clip hole. Thread the needle through the next opening on your wig clip, going through both the weft and the clip. Pull your thread through the loop attached to your needle to form a knot, then tighten the knot along the base of your wig clip and extension. Repeat this process 2 more times, looping the needle through the weft and clip, then forming a knot with the thread. How to sew clips Secure a final knot beneath the hair extensions clips. Thread your needle through the front of the weft, pulling it out beneath the hair extensions clips. Pull your needle through the looped thread to create a knot, which you can tighten along the base of the hair extension and clip. Keep in mind that this knot will be beneath the hair extensions clips. Trim off any excess thread from the extension. Look along the edges of your wig clip and hair extension for any loose threads. Snip off these threads as close to the edge of the extension as you can.