Possible Clues:

• Substance found on sheep's wool
• No all-in wrestling for fat?
• Oily substance on wool
• Report of wolf at US city: no, nothing's up
• Something from a lamb or a lion, roughly wrapped in pound note
• Wool-fat
• Wool extract used in some ointments
• Sheepish from the wool? No, all in it
• Fatty substance found naturally on sheep's wool
• Fatty coating on wool