A cocktail shaker is a device used to mix drinks by shaking them. Shakers come in different sizes, the most common being the 28-ounce shaker. A 28-ounce shaker can make about six cocktails. There are two types of shakers: the Boston shaker and the French shaker.

The Boston shaker is a two-piece shaker. The top piece is a metal cup and the bottom piece is a glass or plastic cup. The Boston shaker is used with a wet shake and …