Possible Clues:

• It's best to be dressed up to them
• 9s
• One might pen these numbers in the form of a chain
• At least eighteen pennies change, to end with
• Good diving scores
• Numbers of them may be after a pen in the form of a chain
• Good talent show scores
• Good "Dancing With the Stars" scores
• A CA might make them numerously dogged
• Ball clubs