Shove the Pig's Foot

Bruce Molsky, Jay Ungar, Molly Mason. Skip to 0:52.

Key of G. Two parts. Three chords.

Button Collective on the porch [utoob]
Marcus Martin [mp3 at Field Recorder's Collective]
We have it on the CD called Big Hoedown fiddled by Bruce Molsky and Rafe Stefanini [amzon]
Printed tab for mandolin [mel bay].
Slow solo banjo recording [OldTimeSeattle].

Pig's Foot?

The full title is "Shove the Pig's Foot a little Farther in the Fire" or "Shove the Pig's Foot a little Further in the Fire" or "Shove the Pig's Foot a little Closer to the Fire". What does it mean? This is supposedly something a blacksmith does. A pig is a block of iron.