The Cameleon was a concept revolver designed by Czechoslovakian ice rink technician Karel Michalek. Michalek had wanted to make his own handgun, but was limited by government restrictions. In 1989, Michalek decided to construct a concept gun out of wood and epoxy resin.
There is. Look at the very top left of the image.
Oh yeah, lookie there. I thought that was part of the cylinder catch.