I finally got around to building a keychain holder for Amy and I. 3 magnets hold it fairly well. Each keychain brick is held on by two studs. Slopes below mean you can just push on the bottom of the brick to remove.
Another Great Minimalistic Lego Key Hanger Super Cool!
Now here is an idea for a huge wood pallet bar, it can be copied for the business purpose like if any person has a bar and he/she wants something to serve the guests. There is enough space to place the wine bottles in a perfect way.