[real-dino]

I have one I use for my diesel heater. I only ever fill it half way up though, as walking more than a minute with it full to the brim is a painful affair.

[chrisseaton]

> walking more than a minute with it full to the brim is a painful affair

British Army fitness test is walking 240m for 4 minutes carrying two full cans, plus assault kit and rifle!

[ticklemyelmo]

You need a partner to use its two-man mode!

[real-dino]

I carried one with a friend, and this functionality didn't help that much, we still had to take turns. Especially on a narrow towpath.