What's your favorite thing at McDonald's?
The Fries right!?
It's part of their pitch for their fancier "Signature" sandwiches. Basically, they're saying that the sandwiches are so good that you'll want to use the French fry fork to scoop up, quote, "every last bite" of the sauces. Or something.
Even they admit it doesn't make a ton of practical sense. But we're talking about it, so I guess it accomplished its goal.
If you want a Frork, you can get one by buying a Signature sandwich starting on Friday.