Related Clues:

• 'When it's ___' (old riddle's end)
• Propped open, perhaps
• Tourney type
• Free of defenders
• With 58-Across, a reception feature
• Not fully closed
• Up for grabs
• Cracked open
• Unwrap
• Like a 1-Across, maybe
• 'When it's ___' (old riddle answer)
• Leaving a small opening
• Without walls
• For everyone
• Store door sign