The Grilled Chicken Guard Retention System by Priit MihkelsonImprove Your Guard Retention So It Is Hardly Ever Passed: Even If You Are Older & Lack Flexibility. 41 Year Old Estonian (It Is A Little Country Near Russia) Figures Out A System For Older Grapplers To Retain Guard Easily If you lack flexibility, athleticism, youth, and explosiveness this is the system for you Priit takes a fundamental no nonsense approach to his guard retention system he uses on a daily basis All to often we find ourselves getting