They're made separately from the head and take a bit of practice ... Narrator: This mask wasn't created to look like just any dog. It was actually made to be identical to this specific dog.

After getting a $400 vet bill for extracting a foxtail from his dog, [Hildeguard]’s ear, [Amos Dudley] decided to take the threat seriously and made her a form-fitting 3D printed mask.