Possible Clues:

• What the lost horse-shoe was made of?
• It's hard for Tory keeping awake
• Did not throw the driver away, of course
• Very strong, as a stomach
• It's hard to join actors' club
• Secure a prisoner in jail? The opposite
• Prisoner can get outside a prison? It's incontestable
• Stuff in a skillet
• Press goes after theatrical group very hard
• Players joining club that's resistant to change