The problem with the typical flossing method is that it strangles your fingers a little and it’s hard to keep the floss rotating when you get through each gap in your teeth. By tying the floss in a loop you can easily rotate it as you floss each tooth and it saves your fingers in the process.

http://lifehacker.com/5918025/tie-floss-in-a-loop-to-make-flossing-easier