Making a silver flip ring

Has anyone made a flip ring out of silver. I would like to make one I
think that it is a great idea to have to reversible stones. if anyone
would have any instructions I would greatly appreciate it

Has anyone made a flip ring out of silver. I would like to make
one I think that it is a great idea to have to reversible stones.
if anyone would have any instructions I would greatly appreciate it 

It is an old design. The flip parts are attached to main ring via
small hinges. However, before you start on one, consider that the
reason it is no longer been made, is because hinges proved to be very
uncomfortable for neighboring fingers.

Leonid Surpin