How do you connect barrels end to end?

To connect barrels end to end, you typically use a coupling or fitting designed for the specific type of barrels you have. Ensure that the ends of both barrels are clean and free from debris. Then, align the barrels so that their ends meet and secure them together using the coupling, which may involve tightening screws or bolts, or using clamps. Always check for leaks or stability after the connection is made.