Knife Defense Websites:

  • combatju-jitsu.com

    Ju-Jitsu Dojo of Columbia

    Practical self-defense training for adults and children. No competition or sparring.

  • trsdirect.com

    Threat Response Solutions - Simple, fast and effective self defense.

    Threat Response Solutions specializes in teaching average men simple, easy-to-learn and highly effective fighting tricks and tip to that will allow them to fight and win in...