This video never ceases to amaze me. I did my test on a similar set up(minus the logs lol) and would never of dreamt of doing any manouver like this. Fair play!
Edited for link not working 
This video never ceases to amaze me. I did my test on a similar set up(minus the logs lol) and would never of dreamt of doing any manouver like this. Fair play!
Edited for link not working