Paingone - Designed for those suffering from pain associated with arthritis of the kneeFllows Arthro-Fllow pads are high-quality wired electrodes. They are designed to be placed directly on the legs, with one pad placed just above the knee and the other at the top of the leg. The Arthro-Fllow pads deliver intensive electrical pulses via their highly conductive electrode surfaces. These pulses could:Help to strengthen the muscles of the thighs and legsHelp to provide greater support and stability to the legsHelp with relief of pain in the leg and knee-jointThis pack contains 2x replacement Arthro-Fllow electrode pads for use exclusively with the Fllow device from Paingone.