A device in the form of a hinged, usually rectangular plate for closing a doorway, for example to close a room.
Opening the door for someone.
Sequence of movement
First, you put your flat hand on the right shoulder blade. The hand represents the door. By rotating the forearm, one now raises the palm of the hand so that the outer edge of the hand still rests on the back. This movement is performed twice in succession, which represents a door opening.
Area of use