Zombie-tini

To make a Zombie-tini:

Fill Martini Glass with ice, add water, and let chill while you are mixing your Zombie-tini in the mixing tin. In mixing tin with ice, pour 1/2 oz Bacardi Light Rum, 1/2 oz Bacardi Dark Rum, 1/4 oz Bacardi 151, 1/4 oz Triple Sec, 1/2 oz Sour Mix, and 1/2 oz Orange Juice. Shake well. Pour out ice & water from Martini Glass. Strain contents of mixing tin into the chilled Martini Glass. Garnish with a lime twist.