Clamp a patented universal mobile holder with magnetic air vent mount with safety cutter and hammer to hold any smartphone up to 6 inches in the car ac air vent. Built-in one seat belt cutter on the back of the holder allow you to cut off your seat belt when you in an emergency situation. The slips the stinger into the air vent and magnetically attaches cell phone that with the pre-installed metal plate on the back or on the case. It can be used as safety hammer to break the window glass when you need escape out of the car, built-in hidden safety hammer on one end of the holder. You get 12-months warranty.