On December 11, 2011, Ryan Hall was enjoying dinner in the company of friends, when a man approached the table, requesting a lighter. After informing him the table was comprised of nonsmokers, the man became enraged, demonstrating violent behavior and directly threatening Ryan Hall.
The video displays the occurrence in its entirety. This is a pure example of how exactly Brazilian Jiu-Jitsu can be used in self-defense as a means to control and subdue an opponent. Without a single punch thrown, the opponent is first controlled, and in a second encounter unconscious as a means to end the confrontation
https://youtu.be/gAHo2IjZo0A