Hidden Door Storage - Smart Storage - 16 "Sneaky" Ideas - Bob Vila
Don't Forget Doors
If you have a hollow-core door, it’s easy to use that inner space to hide small valuables—like jewelry or a memory stick—that you won’t need to access often. Buy metal storage tubes and attach a washer that’s bigger than the diameter of the tube to the lid. Make a hole the size of the tube in the top of the door, drop the tube in and you’ve just opened the door to secret storage!