Quote Originally Posted by Gregor-y
I was on a multi-day ride with someone new to clippy pedals that fell over like that with a loaded down bike. We actually had to get the thing off him and untangle his feet. I'm mainly afraid of that plus the image of trip-trapping around like the billy goats gruff when I'm off the bike.
There are bike shoes that offer a rubber sole and have a recess for the spd cleats so you can walk normally with them. Really practical for both on and off the bike.

Edit: I see Mark has already cover this. Only that there are also other shoes that offer this not only mountain bike ones.