Just slide in your phone, car vent phone mount holder clamps the phone automatically by gravity and provide the easiest operation and a strong stable hold without button to press. Compaired to old air vent phone holder for car , you no longer free hands to spend too much time in looking down to place phone while reseting the navigation route. When getting off car in a hurry, just pick up phone and leave in seconds. This gravity slide-in for iPhone car mount holder vent creatively features the Auto-lock arm-slots that stretch on the side can auto adjust to hold phone more firmly without fears of bumps. Compared to manual lock vent cellphone holder for car which being loose frequently, as its automatic rebound design you no need for secondary adjustment. This car vent phone holder mount is designed as 'Hook shape' and form 'Three grasp points' which can firmly hook around the a/c vent for no slippage or movement. This car vent clip solving the market's common problem of falling forward a