What did pirates keep in barrels?

Pirates commonly kept various supplies in barrels, including food items like salted meat, dried beans, and hardtack, which were essential for long voyages. They also stored fresh water and Alcoholic Beverages, such as rum or beer, to sustain their crew. Additionally, barrels were used to hold gunpowder and other necessary equipment for their operations. Overall, barrels were crucial for maintaining the pirates' provisions and ensuring their survival at sea.