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I've actually worn something like that for vintage hard hat diving. Scary AF. Noisy too.
I’m pretty sure what ever he’s diving is Hogarthain. It’s only tangential to DIR. I’ve seen him in the water a few times and parking lots in cave country. He’s definitely fast.Hogarthian system!
Even the man himself does not use it!
Bill Main was never DIR. The Hogarthian system advocated for inflation off the left post, which as I understand was moved to the right post when GI3 took over, much to the chagrin of Main and a few others. We have a lot to thank Bill Main for, but he was never DIR, and frankly seemed to dislike the term.Hogarthian system!
Even the man himself does not use it!
Bill Main was never DIR. The Hogarthian system advocated for inflation off the left post, which as I understand was moved to the right post when GI3 took over, much to the chagrin of Main and a few others. We have a lot to thank Bill Main for, but he was never DIR, and frankly seemed to dislike the term.