Knives in "survival" movies?

[Paintedhorse]

In "Hombre" From Martin Ritt

Paul Newman use a folder (don't know wich one)and he always cut his jerky with it ('love this movie)

"Sands of the Kalahari"is another one Stuart Whiteman use a Puma White Hunter

 

[Marcelo Cantu]

I've seen Silvester Stallone use a Spydie Endura in at least two movies; Cliffhanger, and Daylight.