Sony handlebar mount VCT-HM1 and Action Cam HDR-AS30V shaky , too much vibration.

So I took my Sony handlebar mount VCT-HM1 and the action ca, HDR-AS30V out for another sin with my cross country mountain bike to see how it performs.  Last week it was ultra shaky, both due to the mount and the case for the camera itself, the camera was rattling around in.  I mounted the arm vertically this time to try get rid of some of the shake, and I added shims to the inside of the case so the camera wouldn't rattle in the case.  Unfortunately it is still unacceptably shaky as this video on even an asphalt road shows, never mind on a singletrack trail.  Image stabilization was on in this video, too.

This Sony VCT-HM1 mount is pretty useless, I think I might try the Minoura VC100 handlebar mount.

Sony VCT-HM1 Action Cam Handlebar Mount Review

I'll let the video speak for itself for the most part, but here's a summary:
     I just got a Sony Action Cam HDR-AS30V last week and took it for a spin today on my cross country mountain bike with Sony's VCT-HM1 handlebar mount accessory.  To cut to the chase, the handlebar mount is horrible.  It exaggerates and induces much more shake than if it was firmly fixed to the mountain bike, due to the articulation joint and the flexible plastic.  Not only that, it adds noise from the plastic parts shaking..  and it costs $30 to boot.  For that price, it should be rock solid and perform stellar, but it doesn't.
     I suggest you stay away from this mount at all costs  It's like throwing your money away.  I don't think I will ever be using this mount again.