Edition of 100. Welcome to the Zoltron Motel.
Anodized. A solution is created, and the keychains are submerged into it. A grounding wire is then attached to each pin, and an electrical charge is then passed through the metal with a wire. The reaction with the electricity creates an amazing rainbow effect on the metal.
Now you can get an all access key to Zoltron's own personal Motel Room. That's right... Become the holder of the key and find out exactly what's behind Door #23.