Wrap the palm directly and use a self-adhesive bandage with a width of 5CM. . . Medicine and physical education are universal. . It doesn't stick to the skin, only the bandage is self-adhesive and breathable. There are many on Taobao, so it is recommended to buy them in the mall. . . It's too expensive. Ordinary people can go to the shopkeeper and call Ziyuan nzy. The master is quite good. .