Technically, Ten's coat could be called a duster if he was wearing it while splayed flat on his back on my dining room table, about to be ravaged. The table would have to be dusty, tho....

Yank here: My grandmother used to call housecoats 'dusters,' so I associate that word with something you'd wear while dusting. What do you call housecoats?

And I'm totally lost on the O'Grady clip, I think, unless French polishing is slang for a blow job...