Here's there site. www.qlinedesign.com The wife and I looked at a bed one time that had compartments like this in the head board.
Good PointIf you go this route - maintain a list so you don't forget where you put them.
When I lived in cities that had handgun bans, I used a hollow book (biography of Nixon) and kept one in the freezer and a guitar case for the long guns (I only took 2 with me).