Chanbanger

Use 2:1 rich simple syrup for its listed portion.

Select and pre-chill a cocktail coupe.

Prepare a lemon zest twist for garnishing.

Shake the Cuban rum, cherry liqueur, freshly squeezed lemon juice, pink grapefruit juice, rich sugar syrup, and grapefruit bitters with ice.

Strain the mixture into the chilled glass.

Express the lemon zest twist over the cocktail and use it as a garnish.