Savage direct drive tranny.

I had him make me something similar to this a few years back, wasn't impressed with the build quality and materials used though. It's a good idea but the use of plastic spacers and the lack of tapped holes just shows a lack of quality IMO.

But hey, he has stepped his game up since back then, he's using some form of CNC now, looks like a waterjet, so it could be better than I remembered.