Hawaii Kai Swizzle

1 oz Gold Rum
1 oz Demerara Rum (86 proof)
1/2 oz Falernum
2 oz lime juice
1 oz orange juice
1 oz pineapple juice
1 oz grapefruit juice
1 teaspoon sugar
dash Agnostura bitters

Pour all ingredients in a blender with a small amount (about 1 cup) of crushed ice and blend until smooth. Pour resulting mixture into a double old fashioned glass filled with rock ice. Serve garnished with a pineapple spear and orchid.