There are mysterious origins to Krampus, the monster that seems to become more and more popular every Christmas

Maurice Bruce's Krampus Styria in Folklore: https://www.tandfonline.com/doi/abs/10.1080/0015587X.1958.9717121

Trailing the Krampus: https://web.archive.org/web/20170620091119/http://www.viennareview.net/on-the-town/city-life/out-and-about/trailing-the-krampus

John J. Honigmann, The Masked Face: https://anthrosource.onlinelibrary.wiley.com/doi/abs/10.1525/eth.1977.5.3.02a00020

Krampus (2015) digital: https://amzn.to/3mujYUO

Krampus (2015) bluray: https://amzn.to/32z0uY4