Possible Clues:

• Things to wear
• Clothing to provoke outrage when worn by relative outsiders
• Garments soldiers viewed in dismay
• So wearing for a priest to come to a real end
• It's clear there are no good books left, what's in the press?
• Dress queen up in dismay
• Does a priest get a real sort of clothing?
• Shock about monarch turning up in this costume
• Dress for a priest with a real twist
• Synonym for 20-Across