1 1/2 oz Jamaican Light Rum
3/4 oz Gin
Juice of half a Lime (which is about 1/2-3/4 oz)
1/4 oz Grenadine
Lime wedge.
Boxcutters, Jigger, Shaker Classic/Boston, Citrus Juicer, Strainer, Martini Glass.
Fill with ice and Shake well, strain into a chilled Martini Glass and garnish with a Lime wedge