Another take in the sock bun! Push the sock down to the bottom of the pony tail. Spread the hair out around the sock and secure with an elastic. Braid the remaining hair wrapping it around the bun, pinning it down till its secure.
DIY Ten Minute Braided Bracelet With Charm Tutorial. HonestlyWTF did a macrame/square knot version of this here (really pretty but takes a little more time). Really easy tutorial from Happy Hour Projects here.