Princelle: "The DROOG, with its trigger wind "a la Leicavit" under the bottom plate and its 39mm screw thread lensmount was strongly inspired by the Leica..."
..."Trigger wind/advance located underneath body; no other possibility to advance film."
..."Frame lines for 50 and 85mm fields, not parallax corrected."
It also says the shutter release is on the front of the body, below the self timer, but the photo appears to belie that--- looks like it's above it to me.