I had always thought it would be a cool idea to take thin metal wire and a baloon[/quote]
What method of inflation would be compact enough to still remain practical? The only device I have ever seen that small is a spare air for breathing under water, but that is oxygen not helium.
WARNING & DISCLAIMER:
SELECT AND USE OUTDOORS AND SURVIVAL EQUIPMENT, SUPPLIES AND TECHNIQUES AT YOUR OWN RISK. Information posted
on this forum is not reviewed for accuracy and may not be reliable, use at your own risk. Please
review the full WARNING & DISCLAIMER about information on this
site.