(Deutsch bitte auf Hochzeitstür taggen) this type of doors in the Hamburg surround area "Altes Land" has outside no door opener. For the brewing reception the door is opened from inside. In the space behind it chests and valuable objects of the fruit farmer were deposited: So it was possible in the fire case (these houses were thatched) to bring the most important have and property in security.
Also the sorrow society leaves the fruit court with the late occupant.