I told you to buy only three, two large ones and one small one. Pull out the waist, pull out the back and so on. I feel ok after using it.
If it's not serious, you don't have to pull it strictly according to the acupoint map in its book.
Tel: 0531-869111368 Address: No.71Jinan Jingsiwei 1st Road, Mengshi Cupping Institute, Shandong Province. You can buy it at the first intersection on the east side of KFC near Daguan Garden.