Possible Clues:

• Washed abrasively
• Searched high and low
• What the Arab did to the plain you did to the pan
• Our Edward might have taken silk, but it's all been scrubbed
• Scrubbed first chapter accepted by bitter journalist
• Firm insured for being cleaned too harshly?
• The lawyer scrubbed our Edward
• Examined minutely
• Searched for and caught, embittered about
• Used soap pads