NAPMA (National Association of Professional Martial Artisits) and MATA (Martial Arts Teachers Association) founder John Graden endorses the C.O.B.R.A.™ Self-Defense System.
NAPMA (National Association of Professional Martial Artisits) and MATA (Martial Arts Teachers Association) founder John Graden endorses the C.O.B.R.A.™ Self-Defense System.
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