Related Clues:

• Window cover
• Cause of an unexpected fall
• Drape
• Window dressing
• Sun block
• Fall location?
• Secret exit, perhaps
•     Magician's secret exit
• Magician's secret, perhaps
• Window covering
• Acknowledgment of applause
• Window material
• Thing fallen through in a floor
• It may be under the rug
• Secret exit, maybe