Professor Lucas Lepri demonstrates how to pass a tight half guard and secure submissions. When the opponent locks their ankles and prevents a slide, Lucas establishes an underhook and cross face to apply powerful shoulder pressure. This pressure forces the opponent to open their legs and creates an opportunity for Lucas to break a tight defensive grip. He shows a specific method for breaking the opponent's hand lock. Once the grip is broken, Lucas secures a Kimura and uses his body weight to finish the pass. From this dominant top position, a transition to an armbar is also shown.