Part your hair into three sections like this.
Then start braiding like this.
After your done put a small rubber band on the bottom of the braid.
Then start on the second braid.
After you are done with that braid put a rubber band on the end of that one too.
Then start on your last braid.
Then braid all of the braids together at the end.
This is from the side.
This is from the front.