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.

This sticky feature is great for the grass, as it helps spread the seeds around, but it also results in foxtail segments getting stuck to pets. Once on the cat or dog, a segment of a foxtail can ...