Looking to the left, you see another, artificial wolf head, made out of plaster. It has all the anatomical structures of a natural wolf head. Some single hairs stick out here and there. They got ripped off in the casting process. The hairs are not relevant, because they do not affect the acoustic properties.

Without asking, you gently pet the forehead. Karl assures you that all the wolves were dead before he started his project of transforming them into recorders. Roadkill.