Otovent Equalization Tool – Train Your Ears
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Description
Otovent Equalization Tool – Train Your Ears Like a Freediver!
Master middle ear compensation the simple way – with just a balloon! This clever tool helps freedivers and spearfishers improve equalization effortlessly. No complicated gadgets, just effective training.
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License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.
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