Tie yarn to one layer of hair at the root. We teased the roots a little bit to help the yarn stay. Braid the pieces in with the same technique as seen above. Be sure to vary the colors of yarn. Trim pieces of yarn and tie off with yarn. Fun for summer!
Hair Growth Chart - 5 tips to understanding how hair grows and what you can do to aid in having healthy hair. (By the way, this chart basically says that your hair grows about half an inch a month, resulting in about six inches a year)