For 1 Cocktail

1. Fill a tall glass to the top with ice. Add sparkling wine, St-Germain and sparkling water
2. Slice a strip of lemon peel, squeeze to release its oils into the glass, then place peel into glass
3. Stir, mixing completely, the prescribed 13½ times

For a Carafe

1. Gently pour sparkling wine into a carafe, add sparkling water or club soda, top with St-Germain and stir gently
2. Slowly pour into glasses filled to the top with ice
3. Slice one strip of lemon peel per glass, squeeze to release its oils into the glass, then place peel into glass