Wayne, the secret is, the lip never gets dirty cause its covered with tape, so there is no dirty lip for the tape to stick to,,
oh you mean you have a gallon that is already dirty,, tsk tskk, see what happens when you build so fast, n1you get ahead of my great advice,, no slow down,, like me,, and the 109,,
![y1 y1](https://stunthanger.com/smf/Smileys/classic/yeah.gif)
actually, it does stick just fine assuming the paint on the lip is dry