Since shaking people's hands with greasy, buffalo-sauced fingers is usually frowned upon, someone in South Korea went ahead and invented finger condoms. Named FingerNaps, these mini plastic garbage bags slip right onto your digits. They're made specifically for the sloppy sort of food: mayo-soaked burgers, slippery chicken wings, deep-fried potato sticks, etc.
For those visual learners, here you go:
Still, while the clever contraptions protect you from inconvenient messes, there's something satisfying about raw-dogging into your plate of warm food, sans FingerNaps.