To add durability, use a heating Hilfsprogramm to slightly melt the edges of seat belt webbing. This will help to prevent fraying of the webbing and increase its overall durability. Use a heavy-duty machine for thick fabrics. Load your machine with thread that is suitable for seat belts. Seat belts https://sloan-hemmingsen.technetbloggers.de/the-fact-about-safety-belt-webbing-that-no-one-is-suggesting