Ok i picked up some single step primer by 3M today and was told that you apply them by darbers or however th hell you spell it. Those little cotten swab things. I heard of a couple people using a spray gun and spraying it on. Well which way do i go after resealing my hatch 3 times 3 different ways i dont want to have to do this again. I have a little airbrush and a compressor to spray it and i also have the darbers. Whats the best way to do this. Another question what are those little screws wheres the hatch sits, like towards the upper part of the car 2 on each side. I lost mine.