Instructor Madam Leda is helping you deal with the common and annoying problem of a fogged up mask. She demonstrates by putting on her mask and breathes through her snorkel making it all foggy. She is going to tell you of a very simple solution. You spit in your mask. She says you must get over those mental barriers to spitting - such as prudery and the reluctance to be seen doing it. So to encourage you to get into this useful habit, Instructor Leda demonstrates; swishing and forming saliva in her mouth and putting it in the lenses of her mask, rubbing the lenses with her fingers. She give... Show more