There are many different systems of Isshinryu taught in the United States as well as on Okinawa. They are all similar at the foundation level, i.e. they are all based on persons/individuals views and understanding as they interpreted them from Sensei Tatsuo Shimabuku. You just can’t take a few classes and expect to have the knowledge and experience to adjust the system to your particular practice and training. So, come join us and learn thoroughly.