Possible Clues:

• Finger -- when the top's missing, that hurts!
• I hurt head getting out of bed
• "That hurt my feelings!"
• It's painful to extract coin from sporran
• Reaction at the gas pump
• Pained exclamation
• You hit me endlessly — that's painful!
• Pained expression when penny falls out of pocket
• Response to a shot, maybe
• "That will leave a mark!"