1 fl oz (25 ml) vodka
1½ fl oz (37 ml) cranberry juice
1½ fl oz (37 ml) grapefruit juice
4 ice cubes crushed
1 slice(s) of lime

Pour the vodka, cranberry juice and grapefruit juice into hurricane glass(es) over the crushed ice. Stir well.
Float the lime slice(s) on top and serve with a straw.