In our old trailer, we had a spot for a TV, but it didn't come with one, so we filled the hole with a 27" tv and whenever we traveled I just threw it face down on the bed with a blanket over it. It always stayed put. Our new one has a TV in the living room area that is mounted to the wall from the factory and came with clips to go around the screen and keep the arm in place. I installed a 19" tv/dvd combo on the wall in the bedroom with a swing arm mount and it stays put where ever we go. I tightened the bolts on the swing arm so it's harder to move and doesn't swing all over the place. It's been up there a year with no issues and that includes a trip from FL to MD and back. I'll note also that being that it's an older flat screen with the dvd combo it's fairly heavy for a tv that size and it seems to be doing well. All I did was mount it where the wall said mount tv here. :)
