Use WrapCut on the area Using the filament (tape edge) positioned on the desired trim line. Go away about 4 inches of tape exposed further than the edge on the movie so that the cutting filament can be Positioned. Push both the film and tape down firmly towards the surface https://www.apptape.co.uk/blog/5-key-benefits-of-using-wrapcut-filament-cutting-tape-in-your-vehicle-wrapping-projects/