The most popular image associated with kata is that of a karate practitioner performing a series of punches and kicks in the air. The kata are executed as a specified series of approximately 20 to 70 moves, generally with stepping and turning, while attempting to maintain perfect form. There are...

Christian Uflacker is a world renown BJJ black belt, and he demonstrates the proper technique for applying the Rear Naked Choke in this instructional video

Practicing sparring with my teacher Jesus Ablanida, 5th Dan Shihan