Kelly S. Worden is the director of Natural Spirit Int’l and WORTAC, internationally respected training systems for self defense, defensive tactics, and martial art skill development.

The information and products contained within this website are a direct reflection of Worden’s unprecedented contributions and accomplishments. He is the Designer of the Impact Kerambit Travel Wrench, the Saf-T-Wrench Defensive Tool, the Wortac Tactical Folder and more.

Author of multiple internationally recognized instructional DVD’s covering a diverse spectrum of topics with direct relavance to personal self defense development. Topics include Urban Knife Warfare, 21st. Century Knife Combat, Modern Arnis, JKD-Renegade Jeet Kune Do, Filipino Martial Arts, Bridging Hands-The Foundation Two-DVD set, the Destroy-Trap- Lock System, Kickboxing for Personal Defense DVD #1 & #2, Double Stick Arnis, Staff/Sibat Training, Non Classical Wing Chun, Silent Fighter Training Dummy Simulator, Water and Steel Training Camps and DVD series.

Kelly S. Worden's training seminars are legendary worldwide for instructing functional personal defense tactics that work now! This website offers access to the famous "On the Edge" radio interviews with martial art pioneers and includes free access to historical archived Full Contact Magazine articles written by Kelly S. Worden.

Datu Worden refined the concept of Connecting the Systems emphasizing classically influenced and tactically refined attribute development training methodology!

Martial art legend Professor Remy A. Presas promoted Worden to "Datu of Modern Arnis in 1988," the first Westerner to achieve such recognition.

A renowned innovator, Kelly S.A renowned innovator, Kelly S. Worden is acknowledged for his martial art contributions by Jesse Glover, Richard Bustillo, Leonard Trigg, while Taky Kimura publicly stated "Kelly S. Worden is an American Icon of Progressive Martial Arts!"

Worden is a former CQC Instructor for 1st. US Army Special Forces Ft. Lewis Washington, literally "Training the Best of the Best!"

Travel Wrench Deals

The Travel Wrench is the most reasonably priced personal protection system on the market today!! "If you can find a more direct and practical proven system for less money, I'll buy it for you" - Datu Kelly S. Worden

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Brand New Saf-T-Wrench

So simple a Cave-Kid can do it.

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The Personal Training Simulator

"Thanks Kelly, the Silent Fighter was the best investment I have ever made for my personal skill development!"

Ray Bonsteel - Utah