Great Grappling Jiu-Jitsu
The Great Grappling Jiu-Jitsu app provides a searchable structured index for the 200+ Brazilian Jiu-Jitsu (BJJ) technique videos from the YouTube channel of Jeremy "The Gerbil" Arel, https://www.youtube.com/user/GGBJJ. Techniques are organized by position (full guard, half guard, mount, etc.) and ca