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Well, it seems it is a Zorbster powder spreading tool. (Attachment Link) Here is one being used. https://www.youtube.com/watch?feature=player_detailpage&list=UUiUvFxeoYsTbNXpI6kVA3TQ&v=sz0ecVbX6x4#t=148Strong info from the folks on Vacland and Facebook.
Zorb Trade Carpet Cleaner Groomer ToolGroomer tool for your Dyson vacuum cleaner. With long bristles to work Zorb™ dry-cleaning powder deep into your carpet. Grooming action activates cleaning agents in Zorb powder to keep new carpets looking new.
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