Possible Clues:

• Where some men go, at fifty, to be surrounded by young things?
• They might blow in a suitable sort of way
• It might suit one to come to blows with them
• Suit needed for the Garrick and suchlike
• Certain pro's selections
• Golf-bag contents
• A quarter of the deck
• Playing card suit
• Set on a course?
• Young reporters covering large nightspots