Valsalva vs Frenzel Method of Equalization.

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Published 2021-02-08

All Comments (6)
  • @markbenson2061
    Makes so much sense!! I am sure this will make a huge difference next time I am out.
  • @linusji1732
    This video is very clear and answered my exact question, thanks!
  • @geekogan
    thank you for sharing this!!! ❤❤❤
  • @ajipdota439
    how to fix it's hard to equalize when the head is facing down??