WIRE TWINNING DEVICEDescription When creating an island for the robot mower to avoid, the two wires between the island and the perimeter of the property must be twinned in order to cancel the signal and make the wires invisible to the robot. When there is a great distance between these two points, burying the wires by hand (on your knees) will cause a considerable time loss. Not anymore! Thanks to the new WIRE TWINNING DEVICE, you can now bury both wires at the same time