What's New

  • This is a Snap Shot of my original Koo Self Defense ( which no longer exists and was captured by Internet Time Machine!
  • I would like to Thank whoever has created & maintains the ‘Koo Self Defense’ Website.
    Home Page - Koo Self-Defense
  • Master Roger Koo’s History

    Master Roger Koo's Martial Arts History pertains to anyone who has trained with, students of Master Roger Koo or associated with him in numerous Martial Arts Organization since 1973 or earlier!

    Master Koo's career in the...  more
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