Related Clues:

• Cheshire cat's trademark
• Smile — all that could be seen of the vanishing Cheshire Cat
• Smile when difficult job is cut short
• The Beach Boys' legendary unfinished album
• Smile, taking day off from hard work
• Smile, finding rook in trap
• Friendly facial gesture
• Hard work finishes early ... producing this?
• Appear amused
• Look happy when dull work is nearly done
• Progress slowly without teacher, and smile
• Look pleased as hard work ends early
• Sheepish smile
• Photog's directive
• Flash the pearly whites