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What Is It?

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What is it?

What Is It?

Do you know what this odd piece of scuba diving equipment is?

If so, send in your answer with an explanation of how it works.

You may win a Vintage Scuba prize from Alec Peirce (alecpeircescuba on YouTube).

The best correct answers from each issue will be entered into a draw to be held in June.

Every diver should use this.