Use WrapCut for the surface area with the filament (tape edge) positioned on the desired trim line. Leave about four inches of tape exposed further than the sting from the film so that the cutting filament could be located. Push both of those the movie and tape down firmly to https://www.apptape.co.uk/blog/5-key-benefits-of-using-wrapcut-filament-cutting-tape-in-your-vehicle-wrapping-projects/