Yup, you live and learn.
You do know that there are two kinds of blacksmiths?
Those who have burned up a piece of metal,,,,, and,,,,,
those who are about to.
Today, teaching at the New England School of Metalwork I had a pice get to sparkling three times. I learned, when you are teaching you can talk and instruct or you can heat metal.....you can not do both at the same time.
Get here early in the morning. There is a space available and you can get a discounted fee!