If you need pain relief then use moist heat therapy for your needs by applying this specially made hand wrap to any area that needs it. Healing may be prevented if blood flow is not controlled, and moist heat therapy will increases circulation and speed recovery by bringing in fresh blood cells. Sufferers of back pain, arthritis, sinus pain, foot pain, joint pain, muscle cramps, and tendonitis can now benefit. Lasts up to 30 minutes.