Check out the ad that occasionally shows up at the bottom of this page...the one that says "8 Amazing Trailer Hitch Accessories you didn't know...". One of them is for a mounted gas grill off of the trailer hitch, maybe you can copy that idea.
Stowaway’s website is where you can see more.
Sheree & Michael NCNG LTC(ret) with Munpi and Sheba (cat).
2016 Vegas 24.1 E350 5 speed "Ms. Enterprise", Bug-Guard Screen, Recliners, Infotainment Center, HUD, ARC Shower Rod, Safe-T-Plus, Curt SpareTire Mount,Tornado Black Tank Rinser, ext. WiFi Antenna, Roadmaster Tow Sys& Invisibrake.