This was the hat Hornaday wore when he worked at the Bronx zoo and conducted his infamous experiment in 1906 to demonstrate the missing link by putting a human pygmy in a cage with chimpanzees. When the artifact is thrown near the target(s), they become wrapped in a silk cocoon that attaches itself to the nearest surface. Used by the Mrs. Frederic created in Artie's subconscious to prevent Steve and Claudia from waking Artie up.