I don't know of any one who makes thigh pads but I think it would be awkward riding in hockey gear. :p
Over the years I've probably left a couple of pounds of flesh behind while riding. Even with the flesh wound I'm jealous, you got to get out and ride.
I guess if I was a cop, it would depend how expensive the bike on the rack is. If it's expensive, I'd give you the ticket because you can afford it. That's right I said it. :p :p :p seriously though, I would hope I would have more important stuff to worry about.
You guys ever watch "Fridays...
Something I've always wondered about hitch mounted bike racks, can you get a ticket for blocking your license plate? I know it's unlikely, but I've wondered about it.