I can't ever remember important (lucrative) stuff, but I remember a guy (screen name?, Location - midwest) off the old board that had a side hack fitted to his TBA. I think it came from this Iowa company, Motorvation.
http://motorvation.com/mepg2.htmThe occasional sidehack that passes through here always seems to have a dog passenger, not a people passenger. I have a photo, here I'll hold it up to the monitor.
JH