I am a practitioner and Instructor of Matsubayashi Shorin-Ryu under Kyoshi Don Caponigro and my dojo is approved under him and the North American Matsubayashi Ryu Karate Do Association.(NAMKA)
I also maintain my prior conditioning and certification in 18 Daoist Palms Kungfu as well as Teaching Certification Jing Tao Kung Fu's Diamond Palm Method of breaking . It is a method style of " Iron Palm".
I have published 2 ebooks for training hands in Iron Palm called " Tetsu Te : an Iron Hand Way " that can be found at smashwords.com