Related Clues:

• Double up
• 40% of a full house
• Ark complement
• Make a match
• A ____ of horses
• Au __: home helper
• Ark unit
• Shoe store purchase
• Socks set
• It may be held by a folder
• Aces, perhaps
• Hand holding?
• Four and four, say
• Two threes, for one
• Set of two