My Mom always said, the more cracks in the Egg, the easier it is to peel. Therefore I roll the Egg until it is one BIG crack,sometimes it comes apart but that's when I get TOO rough.
Seriously, it comes off easy like that.
Try pickling some,they are good.Cired Vinegar,sugar,a little Clove and heat to dissolve mixture. Set for 3-4 days and -GREAT