Hand Massager - Side B features a single roller that provides a targeted deep tissue massage to pressure points. Finger Massager - Side A has 2 rollers that apply pressure to both sides of a finger simultaneously, creating a thorough massage. Many Benefits - This device calms the effects of arthritis, reduces stiffness, increases circulation, and eases joint pain in the fingers and hands. Easy to Use - Simply choose either the hand or finger side and roll for a few minutes until you feel relief. Everlasting Effect - Say goodbye to chronic hand pain. Minimal use daily will yield lasting results.