Flip Flop winch

[brushogger]

This is a technique that was used by the British Army in WWII to improvise a winch using a cable or rope and a couple of logs.
http://db.tt/AfhE6ux
Has anyone ever tried this before? It looks like there would be enough leverage to work.

 

[1MITCH1]

Interesting.
Check this out
http://www.youtube.com/watch?v=JY4cKc4FKSM