【Non-Slip Material】: The surface of the reinforcement ball is made of quality frosted silicone, environmentally friendly silicone cap, no odor when exposed to sunlight, firmly blocks the steering wheel and does not slip in case of perspiration. It provides comfortable driving control and a pleasant feeling in the hands. 【Flexible Control】: This steering wheel knob has a built-in metal bearing steel ball for great freewheeling force and smooth 360 degree rotation without jerking. Greater leverage and faster steering action solve the problem of heavy steering wheels. 【Comfortable and Safe】: The non-slip and comfortable knob protects the steering wheel and palms from wear and tear, giving you a good driving experience. High-quality double-layer structure with built-in bearings to improve maneuverability and driving safety. 【Easy Installation】: The swivel steering wheel comes with its own bayonet, making installation both simple and easy. Simply remove the booster ball and snap it into