If you decide to learn to locksmith, (and I suggest you don't), you will likely encounter many small microscopic parts that attempt to dissappear into the ether right before your very eyes. They are there one minute, and then they are gone. Unbeliveable.
Blunt their ability to disappear with a simple organizer tray to keep track of all the small parts. When the fun is all done, simply slide it into the drawer.
If you feel so inclined, you can buy me a coffee: