Tony Abou-Ganim’s Double Barrel Bitters Price: $24.99 One 4 oz. bottle of Tony Abou-Ganim’s Double Barrel Bitters. Tony Abou-Ganim’s Double Barrel Bitters quantity Add to cart Category: Uncategorized Related products Giovanna’s: 2-Pack Price: $21.99 Add to cart Two 375 ml. bottles of Giovanna’s Ginger Simple. Old Fashioned Price: $21.99 Add to cart One 375 ml. bottle of Gertrude’s Gomme and Genevieve’s Grenadine each. Mai Tai Tiki Price: $21.99 Add to cart One 375 ml. bottle of Gertrude’s Gomme and Adelaide’s Orgeat each. Millicent’s: 2-Pack Price: $21.99 Add to cart Two 375 ml. bottles of Millicent’s Lime Mint Simple.