Intoxicologist Shaker Candy Blue by "Barproducts.com, Inc." Tired of customers braggin' about their "degrees"? Show them your specialty with this "Intoxicologist" 28oz Powder Coated shaker. The 28oz Shaker, also known as a Tin, Boston, or Cocktail shaker, is traditionally used to cap a mixing or beverage glass. The 28oz shaker can also be used in conjunction with a 16oz shaker or Mako shaker to mix cocktails. This version of our 28oz weighted shaker features a durable (bake on) powder coat finish. Available in various, vibrant colors.