The present invention relates to novel epidermal protein, sciellin. A central unit determines an instruction to rotate the aircraft, based on control orders, and determines a global moment to be applied to the aircraft about the yaw axis so that the aircraft performs the rotation instruction. A second motion calculation section calculates a second motion using the first motion and the corresponding points. The tool and method may be used to displace insulation adjacent the lead end of the inner conductor or outer conductor to facilitate connection of the connector.