High-quality materials: The steering wheel booster is made of high-quality materials, wear-resistant, durable, flexible enough to use, and no noise, which can make your driving safer. Smooth rotation: The car steering wheel knob simplifies one-handed steering by increasing the steering wheel torque. This can make the turn smoother. Multi-function: The car steering wheel trimmer is practical. In particular, turning around, parking is faster, merging lanes is safer, and it can usually handle narrow places. Improve safety: Exercise caution, use this universal steering ball to drive more safely. Power Ball auxiliary booster handle with compass. 360-degree steering: The steering wheel knob can provide quick and easy 360-degree steering control to improve maneuverability; It allows you to tighten up some very tight car movements, thus easily completing turning operations with less energy.