https://www.americantailgater.com/Trailer-Hitch-Bottle-Opener-p/0511801.htm
They have them cheaper on eBay. There are Also full receiver hitches with bottle openers if you search.
Mine is three years old and still working well with no rust. I did contact Oracle about condensation in 2 of the lights. They informed me that it would go away and they were correct.
I haven't actually tried this but have been pleased with other Seasucker products. They hold up well on a boat. Could be an easy solution for when the doors are off. $135 for a pair.
https://www.seasucker.com/products/jeep-mirror