Worry stones are smooth, polished gemstones, usually in the shape of an oval with a thumb-sized indentation, used for relaxation or anxiety relief. . They are used by holding the stone between the index finger and thumb and gently moving one #39;s thumb back and forth across the stone. . This action of moving one #39;s thumb back and forth across the stone can reduce stress. . Worry stones may also be called palm stones, thumb stones, fidget stones, soothing stones, or sensory stones. . Enjoy your shopping! . L : 5cm / W: 4cm / 125k each; #dashing_crystal #worrystone #reducestress #crystalhealing #crystal #amethyst #rosequartz #dreamamethyst #sodalite #agate #rhodonite