The more types of turkey calls you know how to use, the more turkeys you'll see. All calls work some of the time, but none of them work all of the time, and no one knows which one will strike a certain gobbler's fancy on a particular day.
Most experts carry several different diaphragms.
Generally speaking, the more and the thicker the reeds in a call, the lower and raspier its pitch. Calls with one or two thin reeds are the easiest to blow, and the best choice for a beginner to learn on. The tube takes some practice to master but makes especially lifelike cutts, and it is favored by some hunters as a locator call. Wingbone calls are traditionally made from the bones of a hen-turkey wing. You call with a wingbone by sucking in sharply to produce a yelp.