Some number of years ago, I was watching an older gent paint a black truck, it was single stage paint, he had gotten a run in the side, he put his spray gun down, grabbed a eight inch strip of two inch wide masking tape off the roll, using two hands form sort of a bow in front of him and stuck right to the run, pulled it back and it had a perfect id on the tape of the run, he waited about five minutes and hit that spot again with the spray gun and couldn`t tell where the run had been...