Put the martini glass in the freezer to chill.
Put some ice in the shaker. The shaker should be filled to the top.
Use the jigger to measure 1.5 oz of grape vodka. Pour that into the shaker.
Use the jigger to measure 1 oz of Triple sec. Pour that into the shaker..
Use the jigger to measure .5 oz of lime juice. Pour that into the shaker.
Use the jigger to measure 1 oz of cranberry juice. Pour that into the shaker.
Put the shaker top over the shaker.
Shake it up for about 20 seconds or so. The outside of the shaker will get cold and icy.
Take the chilled martini glass out of the freezer.
Take the shaker top off and put the strainer over the shaker.
Pour the drink into the glass.