NB: They call this an 'untangler', but this is purely preventative, and won't undo existing tangles.
Anti tangle Telephone Handset Curly Coiled Cord Untangler Device Detangler
Anti tangle Telephone Handset Curly Coiled Cord Untangler Anti-Tangle Device
12ft (Coiled length 62 cms) Landline Telephone Handset Curly Coiled Cord Beige
7.6m Extra Long 25 Foot RJ10 4P4C Telephone Handset Curly Coiled Cord White
JOBLOT x 10 Cetis RJ10 to RJ10 Telephone Handset Curly Coiled Cord Cable Wire
