This could be it.
You know those little plastic/cheramic whistles, shaped as nesting birds, that you can pour a little water in to produce a chirping kind of whistle?
known since the middle ages, in my language they're known as, what roughly translates as, butt-peeping-birds
anyhow ...
THey work underwater if you blow hard enoug. Go on and try. It's a barrel of laughs (as long as you remember to purge when you switch to reg - your lungs will be clear of even dead air space I promise).
- Maximizes alveolae oxygen intake.
- Shark repellant.
- Guaranteed to surprise and delight your buddy or client.
- Adds a festive quality to your open water rescues.
- For long distance signaling attach to high pressure hose.
Essential equipment.
Suggestions for other essential pieces?
You know those little plastic/cheramic whistles, shaped as nesting birds, that you can pour a little water in to produce a chirping kind of whistle?
known since the middle ages, in my language they're known as, what roughly translates as, butt-peeping-birds
anyhow ...
THey work underwater if you blow hard enoug. Go on and try. It's a barrel of laughs (as long as you remember to purge when you switch to reg - your lungs will be clear of even dead air space I promise).
- Maximizes alveolae oxygen intake.
- Shark repellant.
- Guaranteed to surprise and delight your buddy or client.
- Adds a festive quality to your open water rescues.
- For long distance signaling attach to high pressure hose.
Essential equipment.
Suggestions for other essential pieces?
