Not many people remember that there is a technique used by vintage divers which allows us to talk underwater. It is a very inexpensive technique, and requires only the use of an oval mask (or other mask that allows sealing around the entire face). Here it is:
[video=youtube;MxfN0NMoVtc]https://www.youtube.com/watch?v=MxfN0NMoVtc&feature=em-upload_owner[/video]
Enjoy,
SeaRat
[video=youtube;MxfN0NMoVtc]https://www.youtube.com/watch?v=MxfN0NMoVtc&feature=em-upload_owner[/video]
Enjoy,
SeaRat