Regarding the steel plate or antique iron technique - it really
works, but I have always put the piece on a piece of granite
countertop, a piece of heavy stainless steel or a heavy marble tile.
That way if your timing is a little off (enamel still in somewhat
molten state), it mars less and you don't pick up all kinds of
For small pieces, you weight can be an unmarred bench block or small
Just my 1 cent worth. (i used to have 2 cents, but then the price of
gold went up!)