Boston shakers and cocktail shakers are both used for shaking cocktails, but they have different purposes. A Boston shaker is a two-piece shaker that is used to shake cocktails. It is made up of a metal cup and a glass or plastic cup. A cocktail shaker is a three-piece shaker that is used to strain cocktails. It is made up of a metal cup, a glass or plastic cup, and a strainer.

The Boston shaker is the more popular of …