Possible Clues:

• Knock (e.g. toe)
• One-time stogie
• To do this could bust a toe
• Proof you were at the big game
• Pitiful pencil
• What one must do to stop cigarette smoking
• Ticket counterfoil difficult to remove? Not half
• Jam one's toe
• Objections about what smoker drops in street?
• Counterfoil of cheque or butt of cigarette