Twin Reverb Reissue, Reverb Mod

[MJN]

Anyone mod a TRRI to have reverb/vibrato on both channels? I've seen the simple mods done to ptp amps, but no info. to be found on mods for the RI PCB builds. Just wondering if anyone has done this, and what trouble (other than the inherent issue of dealing with PCB traces vs. wires) they have run into before I start mapping the traces, etc... Thanks.