NB: They call this an 'untangler', but this is purely preventative, and won't undo existing tangles.
Clear Black Telephone Handset Curly Cord Anti-Tangle Device (Untangler) x 2
Clear Black Telephone Handset Curly Cord Anti-Tangle Device Untangler x 5
Ex-Pro® Telephone Handset Curly Cord Cable Lead Anti Tangle Untangler Device 3PK
BlackBerry WH35 Headphones Flat Anti-Tangle Cable for Classic KEY2 KEYone Priv
