I had to put wood blocks under the couch that keystone put in our rig as the front legs were off the front of the slide unit...sort of a rocker couch. Now that I got rid of it and have a euro recliner in place of it, I made a curved wooden block that is placed under the swivel of the chair when not traveling. Pretty easy to do and solves the hanging in space issue.
2012 F350 6.7 L dually, 2013 3800RE with 6 pt leveling, Sumitomo 17.5" load range h tires, Samsung 18 cu ft residential fridge, 8k Morryde I.S. with disc brakes. Full timing since 2012.