Apply WrapCut on the area Together with the filament (tape edge) positioned on the specified trim line. Go away about 4 inches of tape exposed beyond the edge on the movie so the chopping filament could be located. Press the two the film and tape down firmly to your surface. https://www.apptape.co.uk/blog/5-key-benefits-of-using-wrapcut-filament-cutting-tape-in-your-vehicle-wrapping-projects/