MX Iron Gravity Car Mount for Ventilation Grille Easy to use – the gadget does not require cumbersome adjustment to the phone. Just place the device on it and the jaws will clench automatically. Anti-shock design – the triangular design guarantees stability even when driving on very uneven surfaces. Secure installation - the fastening clamp is finished with an additional hook, which makes the holder practically unsuitable for falling out of the air supply.