All the ingredients are poured into a shaker, after which the cocktail is shaken without ice. This is done to form the delicious foam layer. You can read more about the technique here: dry shake. After this, ice cubes are poured into the shaker and shaken again. Finally the cocktail is strained and poured into a martini glass. Garnish the cocktail with a clementine slice.
There is no spirit more suited to pirates than rum. Not because it is closely associated with seafaring, nor because it is part of pop culture, but because rum is completely resistant to rules. The different styles of rum vary depending on where the rums come from, how they are distilled, and how they are aged (if at all). The only thing that connects different types of rum is the basic ingredient: sugar cane.
Read more about rum