Malfunctioning McDonald’s soft-serve ice cream machines have become a national joke, one the company even participated in, that is, until a potential solution came along. Watch the story of how McDonald’s soft-serve machines and Kytch’s new device became the center of a multi-million-dollar lawsuit.

Then, check out which McDonald’s soft-serve ice cream machines are down right now on mcbroken.com. For more CBS Sunday Morning, follow them on Instagram, Twitter, and Facebook.