Drunken Monkey Cocktail

Shake the orange-pineapple juice, coconut rum, spiced rum and listed 4 dashes bitters with ice for 30 seconds. Pour into one tall ice-filled glass or divide between 2 iced tumblers. Add the separate listed 1 tsp maraschino cherry juice across the batch and let it settle at the bottom. Finish with the listed lime, pineapple, cherry and freshly grated nutmeg.