Siblings Jasper and Willow, who have been bothered by a high-pitched, almost inaudible whine following them for days, discover a roll of thick, non-metallic felt in an old storage room. This felt immediately cancels the noise when placed on the floor. Jasper tests the material by placing a vibrating silver bell found near the Post Office on top of it, and the bell immediately stills, confirming the felt is an active dampener, not just insulation. Willow notices a unique maker's mark resembling a looping feather on the felt’s edge. Realizing this material is key to countering the town's unexplained resonance, they decide they need historical expertise to trace the fabric's origin and seek out Mr. Finch in the Mended Memory Antique Shop Archive, hoping he recognizes the symbol and can explain its connection to the ongoing town-wide disruptions.