Found this and thought it was awesome.
http://www.youtube.com/watch?v=kcNGCG2L0OA
This will be something I will be doing from now on.
And now thinking of it doing this with kettlebells or even better a sandbag.... Man I'm getting chills.
[MEDIA]http://www.youtube.com/watch?v=kcNGCG2L0OA[/MEDIA]