Otovent by ryosama

Last crawled date: 4 years, 10 months ago

An Otovent to practice mouth fill compensation for freedivers.
Add an inflate ballon on the flat side to train your soft palate and your epiglottis.
http://apnee.weebly.com/entrainement-frenzel-a-sec.htmlhttp://www.otovent.net/otoventGlueEar.html