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Re: the X-Tra I think it's useful, rather than just trash such a design, to offer some constructive and creative criticism that might improve it. For example, the blurb says: > with the weight positioned toward the diver's head assisting in an >improved horizontal trim while underwater........ If having the "weight positioned toward the diver's head" in fact does assist "in an improved horizontal trim while underwater" then perhaps the unit can be positioned with the cam strap *around* the diver's head -- and improve the diver's position even more. I do have a question tho'. The blurb says: "To rescue another diver during an emergency X-tra would allow both divers to breathe at the same time and make a safe accent." Would that be a Texas accent? What the thing is, when you think about it, is a *lopsided* set of "doubles" using a *soft* "connector/manifold" (the "fill line") and no isolator -- unless you would call the check valve an isolator. Whatever -- it's just a marketing attempt and the only thing more hysterical than the design has been the reaction to it. Have you heard of the Dolphin Pro DPV? No batteries!! It uses "the air pressure of the diver's tank routed to a rotary type engine that propels the diver through the water." Yahooo! The farther you go, the shorter the dive! This device enables you to lengthen the distance you can cover in your dives -- by leaving it at home. But since I don't want to be left out, I will join the voices that see such products as the downfall of the diving industry and diving as we know it. Therefore I have cranked up the ambulance siren on my roof, so the lawyers are on the way right now. In the two minutes before they get here, I should mention: Now that flood waters have receded in FL, we're having a close-out "survivors" sale on the Denta-Snork(TM) "Deluge". This is the special edition, rising-water unit that was designed specifically, and used so successfully in submerged parking lots all over the state and Bengladesh, to retrieve lost car keys, terriers, and Lotto tickets in zero viz. The Denta-Snork "Deluge" features the standard, patented, tested, color-coded, flouride-treated, combination toothbrush/mouthpiece -- with the additional saving grace of a flexible 4-cubit length hose, for those who just have to have something around their necks. Sold only in pairs. And don't worry -- just because the water has gone down, we're not resting on our laurels. Stay tuned for release information on the new Denta-Snork(TM) "Viagra" -- the stiffest snorkel you'll ever have. Coming soon -- but not too soon! Christopher A. Brown The Technical Diving Video Library deepedge@ao*.co* Phone (US & Can.):1-888-775-DIVE; 606-272-0255; Fax:606-272-7279 Life is short -- this is not a rehearsal. -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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