Before applying the FrogTape®, I used a damp cloth to remove all of the dust that I created by sanding the old paint, then used another cloth to wipe the surface dry. Once the door jamb was clean, I applied FrogTape® in long strips, using my fingernail to press down the edges to ensure a good seal {a firm, plastic tool like a putty knife or plastic card also works well – in fact, probably even better}.
I pulled the tape off slowly and at a 45 degree angle, and those super sharp paint lines make me grin from ear to ear!