Use WrapCut towards the surface area Along with the filament (tape edge) positioned on the specified trim line. Depart about four inches of tape uncovered beyond the edge with the movie so which the reducing filament may be Situated. Push both the film and tape down firmly into the area. https://www.apptape.co.uk/blog/5-key-benefits-of-using-wrapcut-filament-cutting-tape-in-your-vehicle-wrapping-projects/