Unfortunately, the only place we have to store the camper at the house when it’s not on the truck, is in our driveway. The driveway is sloped. Far from ideal for this situation. After nearly dumping our camper in the driveway due to unstable jacks that re-enacted the scene from Bambi on ice, I created some ladder bar type connectors in an attempt to tie the jacks together. It made an incredible difference. Unfortunately, they’re heavy and take up a lot of room when not in use. But they did solve the dilemma. I used 2″ square tubing and 2 1/4″ muffler clamps. Pretty simple.