A cocktail jigger is a device used to measure the volume of liquid ingredients in a mixed drink. Most jiggers are made of stainless steel and have two cones, one larger and one smaller, that fit inside one another. The larger cone is the measure for volumes of 1-2 ounces, and the smaller cone measures in volumes of 1/2-1 ounce.

Knowing how to use a jigger is an important skill for any bartender. By using a jigger, you can make …