Closed Guard Brazilian Jiu Jitsu Techniques By: Pablo Popovitch Updated on: April 05, 2017 More Articles How to Make Christmas Angel Costumes How to Cornrow Hair Extensions How to Make Flower Arrangements Last Longer How to Make Lemon Balm Oil Popular '70s Hairstyles Related About the Author Pablo Popovitch, a Brazilian Jiu-Jitsu practitioner, mixed martial artist and a 3rd degree black belt, is the founder and head instructor at The Brazilian Jiu-Jitsu Center in Fort Lauderdale, Florida.