best puzzle

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Across
  1. 2. tis a mighty weapon
  2. 3. hogwarts runs on it
  3. 5. you read it
  4. 6. a tasty potato snack
  5. 8. "that's gonna sting!"
Down
  1. 1. you read it in black and white
  2. 3. "I'm seeing double!"
  3. 4. you read it in pictures
  4. 7. human=feet, goat=___