Bondy 12-String Bridge

I'm also working on a 12-string bridge system: here are some pictures of the prototype.

Here are pictures of the prototype 12-string bridge, which Rick Canton mounted on a slab of wood,
just to see how it functioned:

These bridges are now available for between $800 and $1000.
A bolt-on rear piece will allow you to tune using a moveable knob, for the extra $200.

Here are some pictures that compare the raw bridge and the bridge with the tuner add-on: