Place your martini glass into the freezer to chill while you make the drink.
Place some ice in the shaker. Shaker should be filled to the top with ice.
Take the vodka and measure out 2 oz with the jigger. Dump the vodka in the shaker.
Take the triple sec and measure out 1 oz with the jigger. Dump the triple sec in the shaker.
Take the sour apple pucker and measure out 1 oz with the jigger. Dump the sour apple pucker in the shaker.
Place the shaker lid on and shake well. Usually it takes about 15 seconds for the shaker to become cold to the touch.
Remove the martini glass from the freezer.
Replace the shaker lid with the strainer and pour the drink into the glass.