We’ve gotta admit to having never thought of the possibility of stashing stuff on the top of a door. In fact this might be the most clever place to stash stuff since it’s unlikely to be seen by anyone (short of them taking the door off its hinges). Just drill a hole and jam a 6′ cigar tube in it, and you’re golden (though it’s obviously a bit more complex).

Head over to Makeprojects to check out how its done (can’t buy your way into this one) – DIY.