If you're a filmmaker and want smooth video, check out the link above to learn more about how you can build your own DIY steadicam for your GoPro camera, compact or DSLR.
The other three clips at the end:
Cliff Jumping: vimeo.com/25684799
Steadicam Footage with this version: vimeo.com/30337132
How to achieve dynamic balance: vimeo.com/30694902