It is just over a year since the first-ever John Danaher DVD instructional came out. As expected it was a No-Gi instructional focusing on leg locks. After that, the flood gates opened and John Danaher hasn’t stopped producing high-level instructions. After completing a 6 part No-Gi series, the enigmatic Renzo Gracie black belt is now … Continue reading John Danaher DVD Review – Guard Retention