Silver or Silver and gold spinner rings are called – spinning rings. Spinning rings are designed in a way that outer smaller rings spin on the inner ring that encircles the finger. The spinning rings or spinner rings have an outer decorated band which manually spins around the inner ring part. Ancient generations wearing (and spinning) silver spinner rings reduced their tension levels and anxiety in the human being. Several researches revealed that “playing” with Spinning-Ring band in repetitive motion helps to calm the mind. For that reason sometimes spinner rings (spinning rings) are referred to as worry rings, turn rings, swivel rings, turning rings, prayer rings or motion rings. stores.ebay.com jewelry-handcrafted-artisan.com