Fill your highball glass almost to the top with ice.
Pick up your jigger and grape juice (or grape pucker) and measure out 2 oz. Pour that into your glass
Pick up your lemon lime soda and measure out 3 oz. Pour that into your glass.
Pick up your vodka and measure our 2 oz. Pour that into your glass
To mix: Either dump all contents from your glass to your cocktail shaker and then back into your glass.Or, use a bar spoon and lightly stir it all together right in the glass As an optional garnish, take a few grapes and place them on the rim of the glass, or skewer them with a long cocktail pick and place it in the side of your glass.