This is the best anti rattle device I've ever used on a trailer hitch. Just bought a 2nd one. I use it to stabilize the hitch step on my camper and also on any hitch insert I'm using. 3/4" socket takes it on or off in seconds.
https://www.amazon.com/StowAway-Tighten ... DDSW7EDQ6Y
It's installed in this pic.
https://www.amazon.com/StowAway-Tighten ... DDSW7EDQ6Y
It's installed in this pic.