I haven't tried that mirror mount, but you might want to try an adhesive mount. That mirror mount will make the cam hang down low and out in the open.

With an adhesive mount you can mount it up behind your mirror and make it more stealthy and less prone to theft.

Here is an adhesive mount you might look into: https://www.amazon.com/iSaddle-Double-Sided-Adhesive-Windshield-DashBoard/dp/B00BPRLIFI/