1 1/2 ounces light rum
1/2 ounce pineapple juice
1 tsp lime juice
1 tsp grenadine
Chilled club soda
1 tsp 151 proof rum
1 papaya chunk in syrup

Shake light rum, pineapple juice, lime juice and grenadine well with ice. Strain into a tall 8 ounce glass that is half filled with glass. Add soda. Stir. Float 151 proof rum on drink. Add papaya chunk and serve.