Hidden Barrel Hannam is a wine bar near Hannam Ogeori in Seoul that serves wines and food from various countries. Guests pick bottles themselves from a basement wine cellar and can pair them with white ragu pasta and duck steak. A welcome drink, finger food, and a herbal hangover remedy are provided, and a sommelier explains wines to match the food. Non-alcoholic drinks are also available, and the seating has a private feel.