I went out a took a few pictures.
As you can see these are in a toy hauler and you have to be able to get up there to reach them. I would image all of us with toy hauler have that ability.
There was backing for the mounting screws by the television. The other end was a bit of a challenge. I did know that I would not have trusted the supplied molly inserts and I didn't want to use any of those winged inserts.
I was able to get backing into place by going up through the air conditioning vent ducting.