The pen solves several problems at once:
Helps to drive with only one hand;
Accelerates the process of turning the steering wheel and wheels, shortening the time of the maneuver;
Prevents confusion in the hands when they are thrown over the steering wheel (which is especially important for inexperienced drivers, as well as for people of high stature);
It facilitates the process of maneuvering even a large-sized car in a limited space. The handle of the helm (lazy) on the bead in the pack.