This is an example of an experimental "ribbon" parachute tested in the wind turnnel at Count Zeppelin Research Institute in 1943. The open ribbons reduce the shock of the parachute when opening at high-speed. The air escaping through spaces between the ribbons makes the ribbons flutter, permitting a large amount of air to escape through the canopy. At slower speeds, the ribbons steady and the canopy retains more air during the remainder of the decent. The open ribbons also reduced the parachute from oscillating by evenly allowing air to escape through the canopy.
This object is not on display at the National Air and Space Museum. It is either on loan or in storage.