Explore
Did You Know?
The Mysterious Hammerhead
Did you know the head of this shark helps it swim better?
Site Feedback
Take our quick 14 question survey to help us improve Jonathan Bird's Blue World!
Take the SurveyTools of the Trade: BCs Back to Webisodes »
Summary
Jonathan explains the use of a buoyancy compensator.
If you liked Tools of the Trade: BCs you might also like...
Helmet Diving
Webisode 101
Scuba as Therapy
Webisode 60
