What are some of the best ways to shell an egg?
This is what we do where I work: dump them into a bucket full of cold water with the tap still running. We crack the side of the shell against the side of the sink &amp; roll it til it's cracked all around, then peel. I am sure there are other ways though. 
I think shocking them helps them shell easily, but also cools them down for foodsafe reasons.