1. Juice the limes and set the used limes aside.
2. Rim a martini glass with the juiced lime, then dip the martini glass into a plate with the crushed graham crackers to coat the rim of the glass.
3. Add the rest of the ingredients to a cocktail shaker filled with ice, and shake thoroughly, or for about 20 seconds.
4. Strain the cocktail into the rimmed martini glass