Possible Clues:

• Trial sample; bed canopy
• Perfume counter courtesy
• One trying out canopy?
• A canopy under his scrutiny
• This 6 down comes over the bed
• Four-poster bed canopy
• One conducts a trial, spread over one bed
• How trying to have it over the bed!
• Might this be the one to try to get over the bed?
• Canopy over mattress or an examiner