Trongs are also great for eating sushi, shrimp coctail, h’orderves, potato chips, and the list goes on. Although trongs are designed to keep your fingers clean, they can also be used to keep your food clean. What do we mean? Let’s say you are a mechanic and your hands are covered in grease. It’s easier to grab a pair of trongs to eat a burger and fries than it is to scrub your fingers clean.