This is the best acupressure tool! I really think it's amazing. I wish they would research and clarify why it works so well, just by including 15g of Gibeon meteorite powder, which is particularly valuable among meteorites. According to the village head of Uchumura, meteorites emit far-infrared rays and have a powerful hot spring-like effect. The tools from Uchumura are getting more and more expensive, so please buy them at a reasonable price!