Apply WrapCut to your surface Using the filament (tape edge) positioned on the specified trim line. Leave about four inches of tape exposed beyond the sting of your film so that the reducing filament could be Found. Push both of those the movie and tape down firmly for the surface. https://www.apptape.co.uk/blog/5-key-benefits-of-using-wrapcut-filament-cutting-tape-in-your-vehicle-wrapping-projects/