Related Clues:

• Forbidden
• Taboo
• Prohibited
• Excluded
• Like a prison window
• Refused entry
• Obstructed
• Like cells
• Kept out
• Like jail cells
• Refused entry to local pub
• Refused access to, say pub
• Kept out of the ruddy pub
• Sounds as if the poet is kept out like
• Zebras not admitted here