Safe travels and best wishes to all PTSDA Karate students and instructors that are traveling to the 15th ITF World Championship in Washington, D.C.ย Master & Kyo Sa Nim Dufour will be out of the dojang from Monday, July 23 – Monday, July 30.ย Our awesome staff will do a great job keeping everything running smoothly during their absence.ย Tang Soo!