MKV Magnetic Knee MassagerMKV Magnetic Knee Massager Wandas MKV Magnetic Knee Massager helps reduce knee pain by sending heat, vibrations, and magnetic energy through your joints. Useful in physiotherapy and rehabilitation. Hot compress has the effect of vasodilation, promote local metabolism, relieve muscle spasms, promote inflammation and blood stasis absorption. Many people use these after or before knee surgery. Symptoms: Problems sitting or standing Pain during walking or