What if I could make a Shaggy Dog sweater out of my own shaggy dog? Thus began my descent into the world of people who spin and knit clothing out of dog hair. My first step was some cursory googling.

Decades later, Ms. Crolius is still actively knitting away with dog hair for friends and family. She is quick to volunteer her preferred breeds for sweaters — Samoyeds, huskies, Great Pyrenees ...