Related Clues:

• 'So that's where the ___ to this old pen went!'
• "Yankee Doodle" headgear
• Baseball fan's hat
• Salary restriction
• Ballplayer's hat
• Restrict, perhaps
• Pitcher's top
• ___ and trade
• Seal, as an oil well
• Twin bill spot?
• Price limit
• Grad topper
• Budgeting concern
• Baseballer's topper
• Top limit