Installation method of the buffer. Lift the car body by using a jack or a lift. Spray soap water evenly on the stretch spring for the buffer to be easily installed, and also spray on the top and bottom side of the buffer. Place the buffer between the spring. When the top and bottom side of the buffer is fixed on the coil spring, turn the buffer to be completely installed to the spring. The TTC urethane cushion absorbs the impact when passing through a speed bump or a bumpy road to help safe driving. Even in bumpy roads where the impacts are all passed on to the driver, you can enjoy comfortable driving with the TTC urethane cushion. During sudden stop, the impact passed on through the shock absorber is buffered to enable smooth stopping. Even in sharp curved roads or in roads with many curves, the buffer helps safe cornering to enable smooth driving and to relieve the driver's fatigue. The true performance of the TTC urethane cushion is demonstrated in a regular road conditions such as in untaved roads. In any conditions, the TTC urethane cushion protects the car from impact and helps safe driving. The buffer prevents the shock absorber from frequent contraction, enabling the high priced shock absorber to be used longer. TTC urethane cushion, a partner for comfortable and safe driving, try the product recognized by the world.