1）拉筋-Stretch Ligment. 拉韧带！
需有 License -- Physical Therapy License. Or  Sports Coach (Teacher) license.
2)  勿以“ Free Seminar” 免费为名，行收费之实。 勿胡游百姓了。Cheating！
Everyone knows that, if you do sports, you should
Stratch ligments! please do not use " FREE Seminar" to cheating people, after FREE, you want to BIG money for class training and products.  It's Cheating!!