Precut template PPF pieces can be tricky to line up on severe compound curves. When the edges are not symmetrical, instead of redoing the entire piece, try this cutback tip using trimline tape. This is a video for advanced installers as it involves cutting directly on the paint. It is a critical skill to master for anyone doing PPF installs as it will help ensure good quality and durability. trimline tape, knife, blade, safe box index: ppf tags: ppf, cutting, trimline tape, finishing, front fender