What about equalization for freediving?
Equalization in freediving is probably the most difficult part. It's recommended to learn quickly how to Frenzel Equalize if the diver wants to become a freediver. We teach you how to equalize correctly. Divers often underestimate the importance of quick learning when it comes to the right method. Most of the time this is what makes it impossible for the freediver to continue his course without too much pain. This should be avoided at all costs.