01 - Fill a cocktail shaker halfway with ice cubes.
02 - Add vodka, cranberry juice, lime juice, and orange juice to the shaker.
03 - Shake vigorously for 15 seconds until well chilled.
04 - Strain into two chilled cocktail glasses filled with fresh ice.
05 - Garnish each glass with a lime slice and a few cranberries if desired.
06 - Serve immediately.