The passenger hand rail above the car window. Used by people who can't drive, those who prefer to be in control, or frightened mothers.
(in car, Driver accelerates)
Passenger: Jesus! (holding onto car hand rail for dear life)
Driver: You don't have to hold onto the Jesus rail, I'm doing the speed limit!
Passenger: (holding onto car hand rail, eyes closed)
Driver: Stop holding the Jesus rail, I'm not trying to kill you!