When it comes down to it there is nothing better than manual tools for your Lock pick Set, whether they be retail, homebrew, macgyver style. DIY'ers look here.
Interesting .. doesn't seem to me that the type of metal would matter as long as it doesn't flex to much.. if you rounded the part that attaches around the key way and bent the arm for a inset cylinder ... You could use the Command Strip adhesive pads to attach it.
I may have just found a new project ..
When I finally leave this world.. Will someone please tell my wife what I have REALLY spent on locks ...