Concept: “A hellish weapon has come into your possession. Others will try to kill you for it. That's okay...that's exactly what the weapons wants. For them to try.”
Content: A cursed six-shooter and plausible deniability.
Writing: A devilish spin on a western trope.
Art/design: Man, Beast, and Gun clash in subtly colored lithographic print. 
Usability: A clean, color-matched, and legible design.