A muddler is a bartender's tool, used like a pestle to mash—or muddle—fruits, herbs and spices in the bottom of a glass to release their flavor. Description The tool is shaped like a small baseball bat and must be long enough to touch the bottom of the glass being used. The bottom of a muddler may be textured, toothed, or smooth. Muddlers can be made from plastic, stainless steel, or wood. Use Ingredients are muddled in the bottom of a class before any liquids are added. Cocktails that require the use of a muddler include: Mojito, made with light rum Caipirinha, made with cachaça Caipiroska, made with vodka Mint julep, made with Bourbon whiskey Old fashioned, made with whiskey or brandy See also Mortar and pestle References Bartending equipment