Rocky Campari Greyhound is sharp quite strong cocktail at 1.6 standard drinks. Shaken with 30ml vodka and 30ml campari with 30ml grapefruit juice as well as 100ml ice and best with morning tea snacks. Just add half the ice to shaker then add ingredients into shaker over ice and shake well. Pour everything into glass and top glass with ice and served in a old fashioned glass cold.