Sizing is systematic shrinking of the formed hat bodies to proper size. In the Sizing Department of the John B. Stetson Company, Philadelphia, the bodies are repeatedly dipped in hot water, which causes the fur fibers to shrink and knit closely.…
In the Finishing Department of the John B. Stetson Company in Philadelphia, highly experienced workers used fine emery paper to evenly smooth the felt.
In the Stetson fur-cutting department, workers handled eleven and a half million skins annually. They fed the skins into several machines that turned the pelts into fine shreds used to shape the hat.