I went with the Scosche Magic Mount also, but I decided to fabricate a mount for the mount.

Big thanks to
@extrashaky for identifying a tool for bending metal. Made all the difference in the world, and has open the door to other ideas.
I began with a sheet of heavy paper that I cut into strips to get the basic shape. Then using scrap aluminum and tin snips I cut the shape. Last, I used the Harbor Freight Seamer to bend the aluminum, and a drill to make the hole.
I used a couple small pieces of 3M mounting tape to prevent the mount from bouncing around. Perfect!
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Painted my homemade mount. I used the lower right corner head unit screw as the anchor point.
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The rubber pad and strong magnets grip really well. I'm using the larger steel plate included with the Scosche mount. The plate is between the layers of my phone case. I did not bother to use the mounting adhesive.
I'm very pleased with this mount. It's really inconspicuous. The Scosche magnetic mount and mounting plate hold my iPhone securely.
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