How to peel a potato without sacrificing any potato

If, like me, your attempts to peel potatoes result in a tiny potato cube surrounded by gigantic coiling domes of potato skin, pain, and despair, this tip is for you. The tl;dr: gently score the circumference of the potato with a paring knife, boil it a short while, and the skin will just slip off like two leathery condoms. Delicious!

This trick doesn't work with apples, but there's a great gadget that fucks apples right up:

These are $18 from Amazon. I wonder if they work on potatoes?