Originally Posted by
cyccommute
People project their fears of being unable to unclip onto clipless all the time. It's not true. I have had many instances of being unclipped without thought of doing so. Most recently, I crashed while on a mountain bike and ended up a full body length downhill from the bike without touching the ground first. The bike was 6 feet uphill from me and my shoes were still on my feet. I didn't even think about unclipping.
I've found with my SPDs I just naturally unclip in a panic situation as well. I always seem to have the most problems unclipping when I have to think about it.