Details How to use: 1. Light up the moxa roll and insert it into the box. 2. Adjust the moxibustion box to the area being treated and fix it with rubber strap. 3. Meanwhile, you can move the moxa roll up or down to adjust temperature inside the moxibustion box. 4. Open the top lid and dump ash rather than rinsing it with water after treatment. Caution: 1. Don't use it when you are drunk, furious, panic, overtired