A cocktail shaker is a device used to mix drinks. It is composed of two cylindrical halves, one fitting inside the other. The cocktail shaker is filled with ice and the ingredients for the drink to be mixed. The top half is then capped with the mixer’s thumb and shaken vigorously.
The first shakers were patented in the early 1800s by an Englishman named A.J. Berthoud. His design was a simple two-piece device, one cylindrical half filled with ice and …
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