so i have to duracoat a set of night vision goggles that have some anodized aluminum parts...i also have to airbush a bow that is completley anodized. any pointers as to prep for this stuff? i hit it with red scotch brite and it made it shiny....lol not really what i wanted to happen. ive got some self etch primer...scuff with red scotch brite and etch maybe? The red bow is the one i have to paint.