United States Tang Soo Do Moo Duk Kwan Federation® Patch1975 origin By Soo Bahk Do Federation | 2020-10-10 This content is restricted to site members. If you are an existing user, please log in. New users may register below.Existing Users Log InUsername or EmailPassword Remember Me Forgot password? Click here to resetNew User? Click here to register Posted in Patches, Patches Federation ← Moo Duk Kwan Founded 1945 LogoWorld Moo Duk Kwan® Patch Countries →