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Like a tiny key ring, a split ring is a coiled wire that can provide a quick and secure way to attach charms to your bracelet. If your charm doesn't already come with a split ring attached, you can buy a package of them online or from your nearest craft supplier. If your charm came with a jump ring attached, you may need to remove it before replacing it with a split ring.  Pick a split ring with a diameter and gauge that are small enough to be unobtrusive, but large enough to accommodate both the charm's loop and your bracelet's link. Split rings are useful if you plan to move your charms around on occasion but still want the streamlined appearance of a circular attachment.
Find a split ring.