What line of work are you in? http://keandra.in.net/ keandra "The connection between the robot and the rover also means that the snake robot will be able to assist the vehicle if the latter gets stuck," says senior researcher Pål Liljebäck. "In such a situation, the robot could lower itself to the ground and coil itself around a rock, enabling the rover to pull itself loose by means of the cable winch, which the rover would normally use to pull the snake robot towards the rover."