Lane brand "trailer without wheels" It inserts into your 2" hitch and acts like a trailer without the disadvantages of a trailer. No Jack knifing. No difficulty backing up. No registration or inspection needed. It's great for hauling long construction materials, small boats, and by attaching a box you can use it as a utility trailer for hauling trash, brush or any odds and ends. It even has a tail/brake light that plugs into a standard 4 pin connector. The upright support has 2 attaching points based on the length you need. All the advantages of a trailer with non of the disadvantages.