Rum 101 with Mount Gay Rum Episode 6: The Rum is Barrel Ready Sun, Dec 04, 22 | mount gay rum 101 The final stage in the rum making process International Brand Ambassador Darrio Prescod and Jonny Moseley show off the stunning room at Mount Gay Distillery in Barbados where thousands of barrels are waiting for our Master Blender to choose to become part of the Mount Gay Rum range.