One of the best videos I've run across that shows how it was in the "old days" is the one of the boys going across country to the U.S. Nationals in Detroit.
Go to
www.youtube.com "Ingenuity in action 1959". It takes less than a 1/2 hour and is pretty entertaining.
Yes,, I've gone from flat towing with tow hubs in the '70s to an open trailer and pickup truck and now a motorhome with an enclosed trailer, so I guess I'm part of the problem, not the solution,, so sue me. My 2 cents
Danny Durham