In this episode of the Gnar Stool Podcast, Shannon O'Grady and John Perry discuss the importance of perseverance, mental strength, and skill development in Brazilian jiu-jitsu. They are joined by guest Mike Diaz, a fourth-degree Brazilian jiu-jitsu black belt, who shares insights on self-defense, training mindset, and the value of building a strong skill set in jiu-jitsu.