Why aren't there turntable caravans? (pig vs dog trailers)

People at trucks pulling big trailers and think - well, that's a good idea. Why don't we make a caravan like that? A good question, so I'm answering it here! Join this channel to get access to perks:    / @l2sfbc   Post questions as comments! Follow me on Facebook:   / robertpepperjourno   Support me on Patreon:   / l2sfbc   Buy my books: https://l2sfbc.com/where-to-buy/