01 - Fill two tall glasses with ice cubes.
02 - In a pitcher or mixing glass, combine the cranberry juice and freshly squeezed lime juice. Add simple syrup or agave syrup if desired, then stir well to blend.
03 - Distribute the juice mixture evenly into the prepared glasses.
04 - Garnish each glass with a lime wedge and a few fresh cranberries if available. Serve immediately.