12 suspension shock absorbers for land vehicles, namely removable vibration damping devices; vehicle vibration reducers, namely removable vibration damping devices; vibration reducers for vehicle wheels, wheelworks and gears, namely removable vibration damping devices; mechanisms to reduce vibrations of vehicle wheels, wheelworks and gears for land vehicles, namely removable vibration damping devices; soundproofing mechanisms for vehicle wheels, wheelworks and gears, namely removable vibration damping devices