A dog-eared yellow sticker across an unassuming violin case with an eye-warping design that can’t quite be fully perceived. “This machine kills demons”. Is it just a joke, an aesthetic, or something more?
Name: This Machine Kills Demons! – Bumper Sticker
Series: The Laundry Files (https://www.amazon.com/Laundry-Files-12-book-series/dp/B078JHPNDV)