I didn't see the updated stuff. Is it part of your link?I just use the this procedure:
Note that in the description, ChrisFix updated some of the materials used, and provided pictures after one and two years.
He said this provided the best durability: Be sure to read the QUESTIONS.
Buy USC SprayMax 2K Glamour High Gloss Aerosol Clear: Clear Coats - Amazon.com ✓ FREE DELIVERY possible on eligible purchaseswww.amazon.com
Ok, on phone it just played the video within the thread.If you scroll down on the YouTube page and press SHOW MORE, ChrisFix always provides details (links to products or tools used etc). This, on a computer (don't know about a phone)