Fill up your glass and cocktail shaker with ice. Both should be filled almost to the top.
Using your jigger, measure ¾ oz of coconut rum and add it to your cocktail shaker.
Using your jigger, measure ¾ oz of white rum and add it to your cocktail shaker.
Using your jigger, measure ¾ oz of banana liqueur and add it to your cocktail shaker.
Close your shaker off by putting the top on it and shake it well for about 15 to 20 seconds.
Take the top off of the shaker. Place the Hawthorne strainer over the shaker.
Pour/Strain your drink from the cocktail shaker into your glass.
Using your jigger, measure 3 or 4 oz of pineapple juice and pour into the glass. You can also just pour the pineapple juice straight into the glass to top it off instead.
Take your bar spoon and give everything a stir to mix it together.
(optional garnish) Cut a few slices from a banana, stick them on a cocktail pick or on the rim of your glass.