rack them in an airtight cabinet rack that has argon gas that fills the chamber when closed. The argon is a gas that shields oxidation from occurring. Fairly simple.
Ha! Laser welders.Before folks start using this as a thing someone might actually do, I was just kidding. Although, the thought has crossed my mind.
We used argon gas as an inert gas at work when laser welding certain metals to prevent oxidation. Probably would work very well, but be a pain to refill a pipe cabinet if opened very often.
Still, for the super wealthy pipe smoker...