Rose Bush
Lemon twist
Stir with dry ice. Must be super-cold.

(I used Angostura white rum, which is excellent, but I'm sure Bacardi, Flor de Cana white rum, or Havana Club 3 would be fine.)
[['4.5 cl', 'Havana Club 3 Year Old rum'], ['4.5 cl', 'Americano rosso/rosa'], ['2 dash', 'Orange bitters']]
[['4.5 cl', 'white rum'], ['4.5 cl', 'americano rosso/rosa'], ['2 dash', 'orange bitters']]