A jigger is a small tool used in bartending to measure liquor. There are different sizes of jiggers, and each one has a different name. A standard jigger is 1.5 ounces, but there are also mini jiggers that are .75 ounces and double jiggers that are 3 ounces.

Jiggers are used to make cocktails by adding the right amount of liquor to a drink. If you don’t have a jigger, you can use a measuring cup or a spoon, but …