If you sand chopsticks down with very fine sandpaper and then oil or wax them, (whichever you prefer the finish of, there are various different ones) they are absolutely fine. I sand the ends to a point too, I dont sharpen them. I have two of mine in today and they are perfectly smooth . You can decorate the ends with carving or notches too if you want.
I'll see if I can show you a picture later .
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