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Accurate archery requires consistency in every part of your shot, whether it’s your grip, your anchor, or how far you pull the bowstring back. That’s especially true when shooting recurve bows. Even a fraction of an inch difference in a recurve’s draw length changes the arrow’s impact point. That’s why many Olympians use a clicker. Clicker Options
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As the name implies this bow accessory makes an audible click, which has a dual purpose. It helps archers keep their draw length consistent, and it helps them mentally execute a consistent release by triggering their shot. Manufacturers make myriad types of clickers, but the most common mounts on a bow’s riser and includes an arm that extends toward the arrow shelf. The arrow sits under the clicker arm. When the arrow tip pulls past it, the arm hits the riser to make the click. Another clicker mounts to the bowsight. It works just like the riser-mounted clicker, but provides more adjustment range for different arrow lengths. If you shoot a longer arrow, or you’re young and still growing, a bowsight-mounted clicker is an excellent option. A third type of clicker is limb-mounted, and it’s most commonly used by traditional archers. These clickers mount to the limb with double-sided tape, and connect to the bowstring with a cord. As the cord pulls tight, a tab on the clicker flexes and clicks. Clicker Set Up

Source: https://www.archery360.com/2020/05/06/a ... -clickers/