This video illustrates how to clip hair extensions. 1: First of all take the hair extension and clean your hair. 2: Hold your hair all together and clip them leaving the lower most layer. 3: Now take the extension and release the clip and tie it to the lower most layer. 4: Now release another inch of the hair and again take the extension and clip it. 5: Release the crown area and carefully clip the extension by hiding the extension clip under the top most layer. 6: Leave the top most layer and part it and lightly brush it.