Key Takeaways A No-Gi BJJ DVD instructional containing a complete closed guard system.  Features a systematic approach covering positioning, preventing passes, and combining attacks.  You can use the strategies as mini systems, or together as a comprehensive closed guard game. BJJ World Expert Rating: 9.5 out of 10. Contents hide Closed vs Open Guard for … Continue reading Henry Akins Black Hole No-Gi Closed Guard DVD Review [2024]