Quadlock Mag Wallet, Upgraded!

My quadlock mag wallet was stolen when I dropped my phone and didn't notice immediately that the wallet separated from its magnetic attachment to my phone case. I didn't want to buy a replacement wallet. Instead, I designed an improved version! I've been using it for a few weeks, and love it. I prefer this design over the original quadlock wallet.

The improvements relate to how the wallet attaches to the phone case: (1) twist-on (2) optionally magnetic (magnets recommended)

To attach the wallet to the phone, twist into place. There is a little "catch" when twisting that stops the wallet from twisting too far. To "switch" between configurations and orientations, just twist the wallet past the "catch" until it is oriented correctly. When you assemble it, you may see what I mean. I designed it with the assumption that twist-on is always used. You may want to modify the head if you do not want the twist-on style. Note that while the quadlock mag wallet fits 3 cards, this v