GoPro Hero 3 Bottle steadicam stabiliser

Testing bottle stabiliser
https://youtu.be/Alr-AmQTkI8
https://www.youtube.com/watch?v=4kYwr-Piehc&feature=youtu.be

I wanted a steadicam that was super cheap, had no batteries, and that I could use with only one hand (For snowboarding). I pretty much copied the design of a regular steadicam but without the centre rotation axis that most steadicams have.

Also it has to be portable for shoving into a suitcase or rucksack, and fit onto the generic go pro extendable poles that everyone alr