Advice is a common thing among martial artist. This was the case with John Kreese — head instructor of the Cobra Kai dojo from the Karate Kid movies.
Karate Kid Pranks Jiu-Jitsu Students by Issuing Challenges
The black belt in question is Cleber Luciano.
Sweep the leg,do you have a problem with that? No mercy 👊🏻
Spreading BJJ: AJ Adams On Developing BJJ Programs In Universities
Check out some fine karate sweeps from our friend Sonny Brown: