2. Prepare the glass: choose a tall glass or a long glass, cut the mint leaves and lime into small pieces and put them into the glass.
3. Squeeze the limes: Use a juicer to squeeze the limes into juice.
4. Add the Isle of Mull Rum: Pour the Isle of Mull Rum into the glass and stir well.
5. Add sugar: Add the right amount of sugar to your taste.
6. Add carbonated beverage: Pour the carbonated beverage into the glass and stir well.
7. Add ice cubes: add appropriate amount of ice cubes in the glass.
8. Garnish: you can use lime slices or mint leaves to decorate.
9. Finish: Finish an authentic mojito cocktail.