Criteria for Earning a Black Belt in Jiu-Jitsu

In this chapter, they discuss their thoughts on the criteria for earning a black belt in jiu-jitsu. They express their belief that a black belt should reflect a high level of knowledge and skill in the art, comparing it to a PhD in jiu-jitsu. They criticize the practice of time-based promotions, stating that it should be based on merit instead. They also mention that some affiliations may want to blur the lines between skilled and unskilled black belts for business reasons.