MicahMedia shows us how this trick is done:
After viewing this video, some people have provided other suggestions for how to easily and quickly peel a hard-boiled egg, including adding baking soda to the water before bringing the eggs to a boil. It’s also been noted that chilling the eggs after boiling them will make it easier to remove the shells.
We’ve featured a variety of egg peeling techniques, such as using a spoon to peel a boiled egg in seconds, using a smash-and-roll technique, and quickly peeling a dozen eggs at once.
Source: Tiphero.com