Old horse trailers may no longer be in use but creative individuals have given them new life. They have been converted into various structures from cargo carts to tiny homes to trailer bars. In fact, you can get a horse trailer bar for rent for events or personal use.
Most people get these trailers for outdoor celebrations such as weddings and birthdays. The spot usually becomes the place to be for adults who would like to have a drink and unwind with their friends. They can catch up away from the crowds and have a great time.
A horse trailer can hold a large amount of supplies so there should be enough to cater to the orders of your guests. Rentals have already been modified to provide a good space to work for the bartender. It will have every equipment installed and ready to go.