Ok here are the steps the home pexperementer goes through to turn the egg inside out:

• Wrap the egg up completely in a clear tape

• Put the egg in a nylon sock and tie closely on both ends

• Wind up the nylon on both edges and wind and unwind thus spinning the egg

• Boil the egg

• Cool it down, peel and cut

https://www.youtube.com/watch?v=ZiOrIUEtp2k