it's not a clip... it is a small piece of magnet strip that you will stick anywhere in the dash where you want to mount the phone.
https://magbak.com/products/magbak-for-iphone-13-series?variant=39830628368465
so I can tap to any blue box fuses (choose a non important power fuse) for constant power assuming I have a voltage monitor and I don't get my battery discharge issues???