Related Clues:

• One with a heart?
• Check for proof of age
• Something up your sleeve, perhaps
• One in the hand
• Club leader?
• Hand-drawn object?
• Two can take it, usually
• Wunderkind
• It's not returnable
• Royal flush component
• Deck unit
• One in the pack
• Lleyton Hewitt serve, occasionally
• Two can take this, sometimes
• Perfect tennis serve