Possible Clues:

• That's what YOU think
• That may be held round the wing
• My word - it brings a tear to find detective inside
• There's a theory there'll be tears over this involving detective
• There's nothing to restrict the view
• My word - it brings a tear to one's eye to find detective inside
• Shape of dome obscuring supposedly good view
• Vegetable conveys very good impression
• This may be held round one wing
• Personal belief not founded on proof