Make sure all your ingredients and equipment are prepared and ready to go.
Take some ice and plop it into your cocktail shaker. The shaker should be mostly filled with ice.
Rim your glass:Wet the rim of the glass either by rubbing it with an ice cube or rolling a little key lime juice on it.Smash up a graham cracker on lay it on a thin layer on a shaker.Place the shot glass rim down on your saucer and roll it around in the graham cracker crumbs until the rim is coated.
Fill your jigger with 1 oz of whipped cream vodka and pour it into your shaker.
Fill your jigger with 1 oz of key lime juice and pour it into your shaker.
Fill your jigger with .25 oz of simple syrup and pour it into your shaker.
Place the top onto your shaker and shake it up. It should get icy or cold to the touch.
Take the shaker top off and place the strainer over the shaker.
Pour the liquid from the shaker into your shot glass.
Carefully top the shot off with a large dollop of whipped cream.