I got a CMF Phone 1 a few weeks ago - very happy with it. But I just wanted to post here specifically about the CMF Phone 1 Card Holder accessory.
On the face of it I thought it was a pretty nice product, but sadly the build quality/design is very poor. It comes with slightly bigger big screws than for the phone casing itself, with plastic heads that you have to screw on by hand (not with a screwdriver but with your fingers). I think it was about 1 week and one came loose and fell off, lost forever. Then I noticed the others loosing up every couple of days from just being in my pocket. In the end I had to remove it and put back the original phone case screws as I want to be sure the phone case itself doesn’t come off.
Since you can’t buy replacement screws for the card holder and the phone case screws are too short to use, i feel like that this was a total waste of my money. Just sharing my personal experience but I would not recommend the CMF Phone 1 Card Holder to anybody.