Trait-Tech CBS-312 Car Steering Wheel Knob Ball Hand Control Power Handle Grip Spinner Booster Dynamical Ball Black 100% Brand New and High Quality When turning car, it lessens the turning radius thus helps beginners and lady drivers to drive safely and conveniently The bearing-mounted power handle enables drivers to steer softly when driving slowly and parking cars The elegant design can add fashion sense for your car With a rubber ring, it won't abrade the steering wheel