I have never tried them and have no plans to. But, if I was going to try them, I would look closely at the photos of bikes that have them for LONG distance riding by riders that are sleep deprived on their bikes that are loaded similar to how your bike will be loaded.
https://bikepacking.com/bikes/2024-t...e-rigs-part-2/
That can give you some thoughts on angles, heights, accessories, mounting, etc.