Making iron mugs does not require heat or an anvil- something rather reminding me of a dwarf's ability to use pure willpower to make stone mugs without tools. Perhaps this was unintentional.
same problem with making keys. Simply press a unfired mold onto a piece of wrough and voila, a key.
The ones who see things differently.
You can praise them, disagree with them, quote them, disbelieve them, glorify or vilify them. About the only thing you can't do is ignore them. And while some may see them as the crazy ones, we see genius.