What is the project called when you have a hollowed out can that you can hide stuff in? like a secret storage spot?

I have a rockstar can that I want to turn into a hidden storage spot to hide things in like money. What is the name of the project so I can look it up on here? or are there any links I can follow to find it?

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rickharris7 years ago
Hidden Cache or hidden storage
Here's a search of Instructables on the words: hiding+place+stuff :
. "stash can" works well, also.
The phrase, "ceremonial spirit box", works too.  No, really...
yokozuna7 years ago
My guess is you're talking about a cryptex.