Originally Posted by
rickbyb
You don't have to be clipped-in to pedal; pull up with the secured cleat, push down on the un-cleated side using the instep of your foot.
Yeah, I wish I'd thought of that in that panicky second or two just as I was going over

Seriously, though, I did try to push down on the unsecured side; the problem is that the sole of the shoe, as well as the pedal, are slippery and the shoe slipped off the pedal.
All set now, one skinned knee and trashed mirror later. I've got it down, .... for now.