A simple popsocket add on to existing car cell phone holders. It fits snugly over the mount, and can be glued on if you want that extra stickyness. It should fit snugly on its own.

1. Extend your popsocket
2. Slide phone into holder add-on
3. Secure phone holder like you normally would
4. Attach power cable
5. Drive!

Printed using PLA, 15% gyroid infill, with tree supports. And yes, that's a set of cheeks on the back.