Originally Posted By: wagga
You need to carry sardines.

Believe it or not, there is even a sardine quote from the classical mountaineering literature of the 1930s.

There is something peculiarly unappetizing about a frozen sardine in gelatinous oil at 25,700 feet

Frank Smythe, Camp Six, in
Frank Smythe, The Six Alpine/Himalayan Climbing Books, p 602