![Mackenzie Dern Mackenzie Dern comemora a vitória. Foto: Mike Calimbas](http:/wp-content/uploads/2013/02/Mackenzie-Dern-3.jpg)
Mackenzie Dern celebrates victory. (Photo by Mike Calimbas)
At the WPJJC trials that took place in Texas last weekend, Gracie Humaitá black belt Mackenzie Dern once again showed her collectedness in transitioning between moves and in the final sunk a snug footlock on Gracie Barra’s Fabiana Borges.
Learn how it’s done from Wellington Megaton’s daughter:
http://www.youtube.com/watch?v=IT0IQIYqXVA