Jiu-Jitsu ace Charles do Bronx sinking the fight-ending calf-crunch, to Eric Wisely's chagrin / Photo: Josh Hedges/UFC

The calf crunch, a weapon of surprise in Jiu-Jitsu, finally had its moment in the sun last Saturday in Chicago, when Charles “do Bronx” Oliveira used one to swiftly bring his fight at UFC on Fox to a close.

IT’S WRAP IT UP, GRAB THE WAIST, AND WRAP UP

An expert on the position in sport Jiu-Jitsu, Augusto “Tanquinho” Mendes (Soul Fighters) got his girl’s dad to help him show GRACIEMAG.com readers how it’s done, on his break between seminars in Lyon.

So, direct from France, Tanquinho and Megaton go over the details of the move Charles honed so smoothly in São Paulo. Or was it in the Bronx?