Deciding on the "correct" shaker tin is purely subjective, and you are sure to become proficient with any style you choose. If your main concern is simply ease of use, a three piece shaker may be best. For working bartenders who are looking for speed, a Boston shaker style system of capping a small tin or mixing glass is common, as is preferring instead a single tin for mixing and an ice strainer while pouring. two-piece shakers are often sold as a set, and oftentimes appearance is equally important. If you're looking for a bit of flair and ease of grip, you may want to see a vinyl-coated shaker. Choosing metal or plastic is a factor when budgets and show for both pros and beginners are key.