On our 2006 Ford F-350 CC, XLT 8 ft bed we have a Line X spray in bed liner, several Home Depot mats zipped tied together, the camper still shifted due to road conditions. So I am looking at getting a Summit Racing Dee Zee mat, putting the Home Depot on top of that, making a cradle for the front of the camper, between camper & front of p/u bed. Also going with the Lance Cabover Struts. Our TC does a lot of porposing. The TC is a 2003 Lance 1161.