Have a mouth but can't talk I have teeth but can't chew I have eyes but can't see What three things are you?

The answer to this riddle is a comb. A comb has a "mouth" in the form of its handle, "teeth" as the individual prongs, and "eyes" referring to the holes or spaces in some designs. It cannot talk, chew, or see, making it a fitting answer to the clues provided.