Bought this key out of a corner of the pawnshop. There's a bite mark in the brass, and no human tooth leaves a mark like that.

• Akagi JinMr. Horie, isn't that stolen property? Tell me where you got it, first.
  Horie TatsuoOfficer, it's rude to ask a reporter for his sources.
• KohakuJudging by the angle, that's a right canine. Master always bites from the left.
  Horie TatsuoAm I allowed to ask how you know that?