There are a lot of cord-untangling solutions out there, but this is by far the best (and cheapest). It will also work with a lot of different MP3 player—not just the iPod. Now I can’t wait to not listen to my iPod so I can try out this method in public and impress the masses.
Fast and easy headphone cord wrapping [Lifehacker]
https://lifehacker.com/fast-and-easy-headphone-cord-wrapping-235772