Manual gear owner, turn around to change gear quickly, return to the spot and get stuck You need one of boosters to make your driving experience more comfortable 360 degree rotation, refuse to get stuck Non-slip silicone shell, sweat-proof without slipping, no odor exposure Special note: The product can only be used within 20 km/h as an auxiliary power ball. Make sure the boosters are fixed before driving and do not rely too much on them. Everything is for your safety. Usage: 1. Select the appropriate installation position on the steering wheel (generally, it is recommended to install it in the upper corner, of course, depending on personal habits). 2. First, separate the buckles of the power boosters and install them in the installation position, then buckle the lower parts of the power boosters 3. Tighten the two screws with an inner hexagon wrench. 4. Confirm the fixation, test its stability when stationary 5. If the steering wheel cover is installed on the steering wheel, please