How It's Made· Season 18 · Episode 12Top & Bowler Hats, Solar Water Heaters, Sticky Buns, Electrostatic SpeakersS18E12·November 29, 2011·30m·USA NetworkStreaming on (US) See allSharePreviousPharmaceutical Blister Packs, Deli Slicers, Oysters, WeathervanesS18E11NextTurntables; Steam Engines; Playground Equipment; Teflon PansS18E13Keep going