Learn Frenzel from the ground up, then progress into Advanced Frenzel and hands-free equalization. By breaking down the anatomy of your vocal folds, tongue, larynx, and soft palate, 8x Australian record holder Adam Stern provides simple, repeatable dry drills to help you gain perfect coordination and muscle control.
This course is designed for freedivers who want a structured, technical, and practical pathway to improve equalization confidence, troubleshoot common blocks, and build a deeper understanding of what is happening inside their body.