X.Y.Z.

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

Use these specified component styles: Light white rum (charcoal-filtered 1-4 years old).

Select and pre-chill a cocktail coupe glass.

Prepare an orange zest twist for garnish.

Shake the light white rum, Cointreau L'Unique triple sec liqueur, freshly squeezed lemon juice, rich sugar syrup, saline solution, and orange bitters with ice.

Fine strain the mixture into the chilled coupe glass.

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