Although the martial art of Brazilian Jiu Jitsu is widely seen within a sporting context such as mixed martial arts or submission grappling tournaments, it also a formidable self defense art which is utilized by a variety of people ranging from civilians to law enforcement to military personnel with a number of books and DVD’s authored on the subject.

Additionally Ryron and Rener Gracie also run their own anti-bullying program called ‘Gracie Bullyproof’ which teaches children how to build their confidence on and off of the mats with physical and verbal tools to themselves out of harm’s way.

So how does Brazilian JiuJitsu fare against not just a surprise attack but a surprise attack that also involves a knife?

In the following seminar footage BJJ black belt Idriz Redzovic, who is hosting BJJ legend Carley Gracie decides to test his skills by pulling a knife out mid speech and get a taste of Gracie Self Defense first hand.

Check out how Carley Gracie takes care of business below.

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Carley Gracie is a Brazilian-born martial artist, a prominent member of the Gracie family, and a jiu-jitsu grandmaster. His father Carlos Gracie gave him the nickname “The lion of the Gracie Family” because of his belief that Carley was a champion. He is known as the father of Gracie Jiu-Jitsu in the United States, and continues to teach on a regular basis at the Carley Gracie Jiu-Jitsu Academy and through Carley Gracie Red Belt Seminars. [source :wiki]

Brazilian jiu-jitsu is a martial art, combat sport system that focuses on grappling and especially ground fighting. BJJ promotes the concept that a smaller, weaker person can successfully defend against a bigger, stronger, heavier assailant by using proper technique, leverage, and most notably, taking the fight to the ground, and then applying joint-locks and chokeholds to defeat the opponent. [source : wiki]