Looking for suggestions for stabilizing screen when taking videos

[birdzhao]

I used to use GoPro Hero3 to record when I was skating and making some videos. However, it's just a little unstable when I was recoding stuff and walking.

 

[Johnny_Fever]

$15 DIY steadicam

 

[birdzhao]

https://www.youtube.com/watch?v=CsCDkgRO43Y
ROXOR vs iPhone6 plus 3軸 ジンバル gimbal スタビライザー 自転車 bycycle

Someone from Japan made this.