Begin be getting together everything you need for making this drink.
Take some ice and toss it into your cocktail shaker.
Take your tequila rose and jigger. Using the jigger, measure out .25 oz of tequila rose and pour it into the shaker.
Take your kahlua and jigger. Using the jigger, measure out .25 oz of kahlua and pour it into the shaker
Take your vanilla vodka and jigger. Using the jigger, measure out .25 oz of vanilla vodka and pour it into the shaker
Take your half and half and jigger. Using the jigger, measure out .25 oz of half and half and pour it into the shaker
Take your grenadine and add a splash or two straight into the shaker.
Pop the top onto the shaker and shake it up. Usually this takes about 15 seconds or so, the outside of the shaker should get cold to the touch.
Pop the strainer on top of the shaker and strain the drink into the shot glass.