Possible Clues:

• It's for airing jumpers found in the stable
• One with lots of duds
• Fool, Arab perhaps, claiming he's a fashion-conscious dresser
• Drier caparisons
• School Esther reformed is a model
• Whereby one may air a cynical description of a model
• Dandy - frame to hang laundry on
• Garments exhibited by Copenhagen dandy, perhaps
• Model - shot her close?
• Three schools to amalgamate? Put your shirt on it!