Of course it works. Just like when you have a stomachache, press the reflex zone of your stomach on your hand and the stomachache will be relieved. Liver and gallbladder are not good, you can do liver and gallbladder detoxification, and it is also possible to do essential oil to open your back. It's best to be courageous. Zou, the liver and gallbladder meridians are mainly in the legs. External liver liner, thick legs, probably because the liver, gallbladder and meridians are blocked. Using healthy essential oil will be very painful, because the meridians are blocked. Do it a few times more, and the meridians will be unblocked, and the liver and gallbladder will be fine.