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by Eric Fattah, Copyright © 2001
efattah at interchange.ubc.ca
This document should be in electronic form at:
http://www.ericfattah.com/equalizing.html
Feel free to distribute this document as long
as it is not altered.
Disclaimer: All
freediving and breath-hold
activities should be
done in the presence
of an experienced partner
NOTE: This
document concentrates
on the frenzel technique
to equalize the ears.
However, the
frenzel technique, and
all advanced variations,
can also be used to
equalize a mask at great
depth.
To equalize a
mask, simply perform
the frenzel without
plugging the nose.
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