John Danaher – Enter the System – Back Attacks – Flowchart v1
John Danaher’s back attack system was the second instructional of the “Enter the System” series to be released (the first being the famous leglock instructional). …
Systems-Based Approach to Brazillian Jiu-Jitsu
John Danaher’s back attack system was the second instructional of the “Enter the System” series to be released (the first being the famous leglock instructional). …