Hands-free equalization (BTV, VTO) means keeping your eustachian tubes open and balanced so your eardrum stays neutral. This way, you don’t need to pinch your nose while freediving, even as you go deeper. The main benefit is that you can keep your hands free and wear a mask without needing a nose clip. Sometimes I used this equalization technique when I go deep and Fundives and also I have small nose and sometimes I couldn’t pinch it properly so I switch the equalization technique from Frenzel t

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This is one of my "secret" equalization techniques that I don't think is often used. Will you try it? | Immersion Freediving

🐬💙🐬To dive while holding your breath, you need to master the equalization techniques. Someone is able to pass all the requirements and freedive in the first session in deep water up to 20 meters at level 1, while others need more time to learn how to equalize ears upside down. I passed my level 1 for four days, so I know very well that relaxation, training equalization and enough, just for you, the amount of training will help you overcome all difficulties and dive comfortably and deeply. The

PPT - Channel Equalization Techniques PowerPoint Presentation, free download - ID:5685631