Since the last such post degenerated into silliness and speculation....

To those who engaged in the sillies... *blows rasberry*
To those who speculated about my safety, check out this:
http://www.pipeconx.com/perl/inside.pl?choice=;id=caps

I met them today.

I'm thinking for my bed roll kit, I'll put one of these on the tube that will go in the center. Easier to get off, and if something goes catastrophically wrong in terms of pressure, they slide off. In wetter weather, I can screw the hose clamp down very tight, should keep everything very water tight.

Or am I out of my gourd?