
to this:

Some digging around:

Then the docs got tired of me taking pictures so they put me out...ok, they put me out because the fingernail sized chunk of metal was about 1.75" deep in my forearm.
To get this:

I have no idea what it was. I was burning lumber and nothing else. No pine sap, no green wood, no aerosol cans. Only thing I can thing of is that my kid, who uses the dirt mound on top of th burn pit as his fort, tossed a battery in the pit.