Between the cameras strong magnets provide stability:
When the rig is folded the total size is just 10x7x4,5 cm (W*H*D), which means it fits in a very small camera bag:
The cable to connect both cameras can be routed within the hinge mechanism behind the magnets:
The cable was made from a standard USB cable and selfmade plugs with a housing made of epoxy:
Here you can see the socket within the camera:
The following video demonstrates that he camera can be controlled like a true point-n-shoot camera: