This is a 100% copper knife, the first knife we have actually forged.
Forging left the blade a cool looking red and black. Then we made the guard and handles. After grinding, the whole thing was shiny copper, like a new penny. So we heated the whole blade up in the forge again.
We like how it came out.
But, why did we make a copper knife?
[OK, wait there a second. Mild spoilers ahead. If you haven't read them yet, best if you go read them and come back...]
As I was saying, in The Name of the Wind and The Wise Man’s Fear, a copper weapon is implied to have magical powers (specifically, pure copper is immune to certain kinds of magical manipulation).
Since we wanted signed books, we decided it would be fun to forge a copper knife and send it to Pat in hopes that he would think it was worth signing a couple of books for. We figured he’d at least give us a passing grade for effort.
A couple of days later, I got a call on my cell phone. Patrick Rothfuss called me to geek out about the knife! (SQUEEE! I’ll never wash my phone again! I hope I wasn’t too gushy. Pat, was I too gushy?).
He likes it!
He liked it so much that we all agreed to… well, that’s a secret for now.