Secrets of the Karambit: Weapons of Southeast Asia

David Seiwert has been studying, teaching and training in a wide range of martial arts from Japan, Korea, China, Thailand, Indonesia and the Philippines since the age of 12 years. He is currently semi-retired from the engineering field and regularly travels to Southeast Asia to further increase his knowledge and understanding of these indigenous arts. When not traveling he spends his time teaching, giving seminars, writing books and producing videos about the fighting systems of these regions. DavidSeiwert.com