The TwissTop handset cord detangler handset accessory is a valuable device when it come to having to constantly replace your phone's cord. This small gyro device keeps you handset cord from tangling and kinking by providing the ability to automatically rotate with the movement of your handset. Extend the life of your handset cord and fighting with tangled, static prone cords. Installs by snapping the twisstop into your handset and then the cord into the twisstop in just a few seconds!