This mule has an interesting kick of anise and ginger-a surprisingly good mix, especially with unique flavors from the cola.
1 measure cassis
1 measure black Sambuca
2 measures ginger wine
Soda or sparkling white wine, chilled
1. Stir the first three ingredients over ice until well frosted.
2. Strain into a frosted flute and top up with equal quantities of cola and soda or sparkling wine.