Frenzel is far easier to feel than to read about. This short tutorial shows the tongue-as-a-piston movement on camera, so you can copy it and check your own technique.
- How to use the tongue (not the lungs) to push air to your ears.
- Locking the epiglottis and the "K / T" tongue positions.
- The most common beginner mistakes and how to fix them.
Practice dry first
Master Frenzel on land before trying it in the water — it is much easier to learn relaxed and upright.
Never force it
If your ears will not equalize, stop and ascend a little. Forcing equalization can injure your ears.