How a cryptographer uses a key engraver

Legendary cryptographer and security researcher Matt Blaze (previously) somehow acquired a key engraver and now he's "using it to engrave entirely serious labels on my keys that are not in any way ironic or confusing."

I just got a key engraving machine. Because I am a very responsible adult Im using it to engrave entirely serious labels on my keys that are not in any way ironic or confusing. pic.twitter.com/M2BIAet8sC

— matt blaze (@mattblaze) February 13, 2019