Party Girl Cocktail

Ingredients:
1 & 1/2 fluid ounces or 4.45 centilitres of Dry Vermouth
1 Tablespoon Gin
1/2 a fluid ounce or 1.5 centilitres of Creme de Cassis
1 Tablespoon Gin
1/2 a fluid ounce or 1.5 centilitres of Creme de Cassis
Instructions:
Build in a highball glass.
