This is an infrared heat lamp. Because it uses infrared waves it produces a very deep and penetrating type heat. It is often used with a liniment for stiff muscles.

Moxabustion is a common technique used by acupuncturists. By placing an herb (mugwort) on or near the skin, heat travels into the body to dislodge coldness in an area. It also helps to relax tight muscles and strengthen weakness in the meridians.