The Magnetic Massager "Super Duo" for ultimate relief. Press and hold for 3 seconds on various reflexology points in your body after reviewing the total body chart (enclosed). This magnetic massager will help soothe, ease tension, and relieve pain on a particular body part that you are focusing on while helping with overall blood circulation to promote better health. This magnetic massager is especially effective when focusing on the spinal points along the middle of your back. Recommended by physical therapist.