I've seen clear stick-on stuff on the hood front of various modern vehicles that MIGHT work, but have no idea if it's flexible enough to wrap around that tailgate tab.
Maybe something from these guys (randomly found from a web search) might work.


Kevin
1951 Chevy 3100 work truck
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1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.