1Helping to ease the cold of uterus so as to relieve menstrual cramps. 2Use moxa rolls to warm the meridians, increase circulation, boost immunity. 3Relaxing nerve, soft pressure, prove insomnia, connect channel, relieve pain. 4Especially useful for pain relief, firmly rolled and easy to light. 5Smokeless and high penetration, great effect in invigorating the circulation of blood.