Related Clues:

• Fire or glaze as in kiln
• Heat and cool slowly in order to toughen
• Heat and cool to temper or toughen
• Toughen by heating and slow cooling
• Toughen by a process of gradually heating and cooling
• Toughen by gradually heating and cooling
• Heat and cool slowly to toughen, metal or glass
• Long angry speech
• Sounds as if perfect vision is still a matter for medical attention.
• This is the way to make it hard to give the girl a pound
• It's hard to make the girl mix the ale
• To get a pound will make her hard
• Do I want a place in the East?
• Sounds hard to hold, and this will make it harder
• That makes it tough to give the girl a pound