Contain computer or television cords inside a stretchy trouser sock with the toe cut off.
2 of 2Mark Lund
Cassette Case as Cord Organizer
Neatly coil the cords of your small, tangle-prone cables and earbuds and tuck them into the empty plastic holder. If you have several, label each case with a sticker for clear identification. It'll be the end of crossed wires.