Window handle
A typical modern lockable window handle (without holes)
A window handle in Berlin
A window handle is a short length of material that attaches to a window in order to aid rotation of the hinge and therefore opening and closing of the window. It often contains holes allowing the window to be fastened into place onto a spike at a distance preferred by the operator of the device allowing for outside air to circulate into the room, removing the need for the operator to have to hold the handle permanently at that distance in order to enjoy this benefit.
See also
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