Question: what tools are used to sharpen knives?
Answer: Sharpening Stone or Whetstone. | The whetstone is probably the most popular knife sharpening tool used. ...  Sandpaper. | ...  Sharpening Steel. | ...  Knife Hone. | ...  Electric Knife Sharpeners. | ...  Handheld Sharpener. | ...  Serrated Knife Sharpener. |