Aside from the hinge being slightly front-mounted (you are still doing that, right?), you could add something on the front bumper right in front of the skirt to divert air around it to make sure air doesn't get under there and lift the skirt away from the car.
As for the slippery material backing or conveyor roller, what about using a layer of coroplast? I'm assuming you have lots of extra laying around like some of us do..
|