This video reminded me that feeling I've had when climbing my own 25m tall mast.
Holy crap, I never imagined someone would actually pull off flying Iron Man-style in real life:
http://www.youtube.com/watch?v=rn2DZQAHuio&NR=1
This is how to do it:
http://www.youtube.com/watch?v=yjM32C0qvLs&feature=related