“Are you on your back or on your side?” 

One of my three checks to keep myself safe. 

Over the course of 20 years of coaching I have been to all the requisite and many supplemental trainings, course, clinics, and seminars. This is the most thoughtful, comprehensive, insightful, and introspective training I have been through in a single course. 

It is obviously focused on helping you coach jiujitsu, but the majority of the lessons are transferable to any training scenario.