Car Mount Air Vent Holder"About this item : SUPER STEADY & ANTI FALLING OFF MOBILE HOLDER FOR CAR We upgrade the design of connector clamp. 1. Add a stopper in the end of the clip,so the car phone holder will not fall off; 2. Add the rubber pad on the clamp surface, it will not slide on the vent's blade. So no matter what bumpy roads, never worry the car phone holder mount sliding or falling off. GRAVITY LINKAGE DESIGH, LESS THAN 1 SECOND TO LOCK AND RELEASE,EASY USE CAR