Herbal Foot Heat Patch - AiyishengThe MoxaMoxa Herbal Foot Heat Patch by Aiyisheng is a self warming TCM heat patch designed specifically for the feet the area in TCM that's coldest, most neglected, and most connected to Kidney essence, sleep, and overall Yang energy. Stick the patches on the soles of your feet (Yong Quan KI1) and inner ankles (Tai Xi KI3, San Yin Jiao SP6) for 4+ hours of continuous warmth that supports sleep, circulation, and pelvic floor reproductive health. Made