Power Gear by JASCO 30057 Handset/Cord Detangler Black 3/Pack. This is a 3 pack of handset cord detanglers. Connect your handset cord to this and then plug this cord detangler into you telephone and you never have to worry about your handset cord becoming tangled again. This cord detangler allows for a full 360 degree rotation which means your handset cord can not become tangled.