1. In the wrist with a convex surface buckle・ cuff outer surface provided with the buckle・ press buckle with a connecting shaft connecting shaft protruding through the wrist and fasten connection・ use and performance wear wrist stretch position・ provided on the wrist Neiguan can oppress the human body<br />Convex deduction・ wearing wrist after a long time to maintain the state of oppression・ so as to reduce or avoid motion sickness<br />2. The use of effective・ high reliability・ and can be used repeatedly.