** Mount Gay Black and Blue ** - 1¾ oz. Mount Gay Silver Eclipse rum - 1/2 oz. simple syrup - 1 small handful of blackberries - 4 lime wedges - 6 sprigs of mint - 1 splash of club soda - Muddle the mint and berries in a shaker and add freshly squeezed lime juice. Next, add ice and rum, then shake and pour all ingredients into a tall glass, splashing with soda before serving. Garnish with blackberries and lime.