Sometimes the only way to get what you want is to build it yourself.
This is the very first guitar I ever built, a hot-rodded version of the old Silvertone 1457. This guitar uses every passive wiring trick in the book. Four - count 'em - four lipstick pickups, wired in series. Six-way pickup selector, and two phase switches. The neck is from AllParts, I paid way too much for it. The finish is glittery acrylic lacquer from the auto parts store. The knobs are from Radio Shack - remember them?
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This started as a vintage neck that I got on eBay. I built a reproduction body and hunted-down old-style parts to rebuild this as authentically as possible. The finish is black nitro, which is accumulating nitro damage just from existing. Someday I should strip that garbage off and re-shoot it in polyurethane.
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Well, I ordered up one of these headless bridges for about $60 shipped, and after three weeks, here it is:
As you can see, I disassembled one of the gear mechanisms. The one-piece gear and spool appear to be solid brass, held in the bracket with a c-clip. The gears actually work surprisingly well, smooth, with just a little slop that would disappear under string tension. Everything is also lubricated, which I did not expect from China. I am surprised, the quality of materials and design of this unit is much better than I expected. You can see how the knobs pull out on the shafts for easier adjustment.
More: Headless Bridge, Part 2 ...