That's what I do when I'm carrying my leather briefcase. Put it in something waterproof and then bungee strap it to the rack. It feels plenty secure, and I've never had a problem.
Originally Posted by
dvald001
I'm thinking about trying that, but I'm worried that a typical rack wouldn't be wide enough. to keep it in place. Maybe I'm just being paranoid. I have a minirack on the rear at the moment and would have to decide on a replacement.