ISR Matrix Police VHS Set (1999) - Counter Knife

ISR Matrix International
"When you finally witness the depth within ISR Matrix, you realize it is the center of origin for many modern techniques. It's language, details and complex understanding show that many modern implementations have borrowed from it only superficially without the depths of its insights."
- DAVID W. DURNIL
Area Coordinator Combatives
Chief of Training and Education Air Force Combatives
Center of Excellence HQ USAFA/ AFTTP Combatives Repository
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