ISR Matrix Police VHS Set (1999) - Firearm Retention

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 understandings 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 & Education Air Force Combatives Center of Excellence HQ USAF/AFTTP Combatives Repository
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