Practitioners who receive authentic rank or instructor certifications in Tang Soo Do and the Soo Bahk Do® martial art system through legitimately authorized Moo Duk Kwan® schools can proudly trace their unbroken lineage through their instructor and their instructor's instructors all the way back to 1945.

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Registered trademarks assure the public consumer of the consistent quality and standards they can expect from the products and services associated with and/or bearing registered trademarks. Registered trademarks displayed in relation to, or affixed to, products and services, identify the source for the products and services and only the registered trademark owner regulates quality and consistency…

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