Both rear doors feature dual opening positions of 90 degrees and 180 degrees. (nissannews.com)
If you take a closer look at this Speedster and then compare it to the original 50th Anniversary Corvette Stingray Concept that was shown at the Chicago Auto Show in 2009 as well as in the movie Transformers 2: Revenge of the Fallen, you will see some major differences: A different hood with dual openings in the front, No LED vertical headlights — a more conventional lighting system appears tucked into the front recesses, different wheels and a different front grille. (corvetteblogger.com)
The two layers are sewn together with an opening (usually at the back, but some put the opening at the front or have dual openings at both the front and the back) to allow parents to insert absorbent material into the pocket. (thinking-about-cloth-diapers.com)