If anyone ever wondered (didn't think so) why I tend to take extra pairs of chopsticks whenever I'm at a take-out place where they're readily available... this is why.
Not specifically for potato chips (don't eat them very often), but this is a pretty good example. How else would you eat chips without breaking them or getting your hands greasy (or sticking the bag up to your face)?
Someone needs to get me a nice, re-usable, laminated pair. (Hint hint,
someone Asian...)