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Hands free equalization (BTV, VTO) is referring to the ability and the skill to maintain the eustachian tubes open and constantly pressurized, in order to keep the ear drum in a neutral position. That way you don't have to pinch your nose when freediving as you are going deeper.
The advantage of this technique in freediving is that you can keep your hands above you when descending and wear a mask, abolishing the need to wear a nose clip.
Alchemy partner, Luca Malaguti, an experienced freediver & instructor, looks into the technique, its uses and shares his tips on how it can be achieved.
Chapters
00:00 Intro
00:24 What Is Hands Free Equalization?
00:57 Why Is It Important?
01:17 How Can It Be Achieved?
04:09 Exercises
05:45 Physiology & Anatomy
06:55 Does Gear Help?
09:30 Underwater Photography
11:07 Spearfishing
12:35 Tip #1
13:19 Tip #2
14:32 Tip #3
15:22 So?
Presented by Luca Malaguti
Edited by Roni Essex
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