The phone cord detanglers are able to rotate at 360° removing all tied up-knots due to the tangled wire. The phone cord detangler black is easy to use for everyone. You can just connect one end of the wire to the detangler and let it move on its own.
eBay
RJ9 4P4C Telephone Cord Detangler, 8Ft Telephone Handset Cord and 360 Degree Rotating Landline Cable Detangler
Aliexpress UK
Easy to Use : Simply plug into your handset on one end, and the cord on the other end, and you are ready to go! Removal of the detangler is just as easy. Can be easily installed on the phone and handset without any tools.
eBay
RJ9 Telephone Handset Cord 6Ft/1.85m Curved Telephone Landline Phone Handset Handle Line Cable and Telephone Cord Detangler
Aliexpress UK
NB: They call this an 'untangler', but this is purely preventative, and won't undo existing tangles.
eBay
Portable SC8108 LCD Network Tester Meter RJ45 Cat5e Cat6 UTP Unshield LAN Cable Tester & Meter RJ11 Phone Cable With LCD Display
Aliexpress UK
The phone cord detanglers are able to rotate at 360° removing all tied up-knots due to the tangled wire. The phone cord detangler black is easy to use for everyone. You can just connect one end of the wire to the detangler and let it move on its own.
eBay
50/100/200PCS Waterproof Gel-Filled Orange Clear Button Telephone Wire Connectors UY Butt Splice Connector K1 Network Cable Term
Aliexpress UK
Easy to Use: Simply plug into your handset on one end, and the cord on the other end. Removal of the detangler is just as easy. 7" Flexible Air Tyre Valve Extension Adaptor Motorcycle Car Tire Stem Extender u.
eBay
External Storage Hard Case Bag Hard Drive Power Bank USB Cable Charger Earphone Headphone Cases for Apple MacBook
Aliexpress UK
Easy to Use: Simply plug into your handset on one end, and the cord on the other end. Removal of the detangler is just as easy. Can be easily installed on the phone and handset without any tools. Works on mostly models of handset cords and handsets.
eBay
Network Cable Tester Cat5 Cat6 RJ45 UTP STP Line Finder LAN Telephone Wire Tracker Diagnose Tone Distance Cable Tester
Aliexpress UK
The phone cord detanglers are able to rotate at 360° removing all tied up-knots due to the tangled wire. The phone cord detangler white is easy to use for everyone. You can just connect one end of the wire to the detangler and let it move on its own.
eBay
Network Cable Tester LAN Telephone Wire Tracker Diagnose Tone Tracer for STP UTP Cat5 Cat6 RJ45 RJ11 Detector Line Finder
Aliexpress UK
The phone cord detanglers are able to rotate at 360° removing all tied up-knots due to the tangled wire. The phone cord detangler black is easy to use for everyone. You can just connect one end of the wire to the detangler and let it move on its own.
eBay
OPC-499 Headset Adapter for IC-A6/A24/A22/A3/A14/A14S GCA-499 to aviation pilots GA Dual Plug, Aviation Headphone Cable Adapte
Aliexpress UK