I made some storage boxes that fit in the tailgate holes of my 2021 AT4. I made the first prototype 3 years ago when I got it new, and have refined them to be simple to install and use. Obviously they can't store huge stuff, but they can each fit 2 straps, gloves, tape measure, or other stuff. Not as fancy as the speakers or lights, but I have gotten way more use out of them than I expected to. Let me know if you have any other ideas that I could try out.
Install of MultiPro/MultiFlex Tailgate Storage Boxes