Click your heels together 3 times......then mix together Cosmopolitan Mixer and vodka.

2 parts Stirrings Cosmopolitan Mixer
2 wedges ruby red grapefruit
1 part chilled vodka
Garnish: Stirrings Cosmopolitan Rimmer

Rim martini glass with Stirrings Cosmopolitan Rimmer. Muddle grapefruit in a shaker, add ice, Cosmopolitan Mixer and vodka. Cover and shake vigorously. Strain into rimmed glass.