A cocktail rimmer is a tool used to add flavor and color to cocktails. It is a small, flat piece of metal or plastic with a slightly raised edge. The rimmer is used to sprinkle a dash of salt, sugar, or other spices on the edge of a glass before adding a cocktail.

A rimmer can be used to enhance the flavor of any cocktail. For example, a margarita can be given a salty edge by using a rimmer to …