A bit difficult to describe. Like a cross, I suppose, without the top part. Sort of two arms on a stand.
What happens is this. You hang something on one arm. Anything at all. A watch, a bracelet, money, anything. I supposed you could hang a locomotive on, only it's a bit heavy.
But anyway you hang something on and there on the opposite arm appears an exact replica. And I mean exact.
You can't tell the difference.
So nobody need make anything any more. What you need you hang on the gismo. No work. No want. No starvation. No nothing.