success
100%
Kurt Osiander has been training Jiu-Jitsu longer than some modern Black Belt World Champions have been born
- Shut up and train
- Kurt is the original BJJ renegade
- Learn from one of the most notorious and recognizable Jiu-Jitsu coaches in the world
- Gain knowledge attained from decades of experience
- This is real and effective Jiu-Jitsu
