Fill a pitcher a third of the way with crushed ice and add all the ingredients.
Churn vigorously until frothing (or shake in a large shaker) and strain into 4 rocks glasses filled with fresh ice.
Garnish each with an orange slice, a pineapple cube and a cherry.
INGREDIENTS IN THE THE BERMUDA RUM SWIZZLE COCKTAIL 4 oz Gosling's Black Seal Rum 4 oz Gosling's Gold Rum 8 oz Pineapple juice 8 oz Orange Juice .75 oz Grenadine 6 dashes Angostura bitters