>From:	IN%"dmabry@mi*.co*" 18-FEB-1996 15:11:25.29
>To:	IN%"techdiver@terra.net"
>CC:	
>Subj:	Surgical Tubing
>
>I've seen some discussion lately regarding the use of surgical tubing to
>secure things like long hoses on safe seconds.  Some of the messages
>discouraged it because of it's tendency to break when you least expect it.
>I would like to ask those who have other methods of securing the long hoses
>to describe them.  I'd like to learn alternatives.  While we're at it, what
>are good ways to secure the second stage of a safe second.  I've seen some
>cave divers using surgical tubing in a loop around their neck with a smaller
>loop to hold the mouthpiece.  What are good alternatives to that?  Thanks in
>advance.
>
>------======<<<>>>======------
>Dave Mabry     dmabry@mi*.co*
>------======<<<>>>======------
>
>--


Dave,

I use a litlle gizmo I found in one of the local dive-shops: It
looks like this (cross-section):

                    +++++++++++++++++ 
   +++++            +               + 
   +   +            ++++++++++++    + 
   +   ++++++*++               +    + 
   +         * +               +    + 
   +   ++++++*++               +    +
   +   +     ^      ++++++++++++    + 
   +++++     |      +               +
             |      +++++++++++++++++ 
             |
             this is a normal O-ring.

You basically plug the left part in the right part. Because there
is an O-ring on the left part, it sticks in with some resitance.

The nice thing about this thingie is that you can pull it apart
if you pull hard enough. No need to release some mechanism. It
comes with a small loop of nylon on the left part, and a large
loop on the right part. I put the loop of the right part around my
neck. The left part is attached to my reg. I bought three of
these combinations, to have a spare, but am now down to just two.
Enough for my twin-tank/twin-reg setup.

Because these parts are slightly negative, they sink and you lose
them easily if they (the left part) are not well secured to the
reg. They are made of heavy plastic.

They used to be available here in Sydney (Oz), but now they are
hard to get. I don't know who makes them, or if you can find any
in your area, but it's a possible way (and the one I use). Maybe
someone in a technical school can make some for you, it would be
a nice excercise.

Hope this gives you another idea.

Gert Sanders
Sydney-Australia

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