Vehicle horn horn. Bicycles often have a classic "bulb horn", operated by squeezing a rubber bulb attached to a metal horn. Squeezing the bulb forces air through a steel reed located in the throat of the horn, making it vibrate, producing a single note. The flaring horn matches the acoustic impedance of the reed to the open air, radiating the sound waves efficiently, making the sound louder. Other types of horns used on bicycles include battery-operated horns (sometimes even car horns on 12-volt circuits are incorporated) and small air horns powered by a small can of compressed gas. Oliver Lucas of Birmingham,
Shrill: Notes from a Loud Woman involved with the series include Broadway Video and Brownstone Productions. Shrill: Notes from a Loud Woman Shrill: Notes from a Loud Woman is a 2016 non-fiction book by American writer Lindy West. West published the 272-page collection with Hachette on May 17, 2016. "Shrill" received generally positive reviews. In "Slate", Nora Caplan-Bricker described West's writing as "both sharp-toothed and fluid as it rips into period stigma and abortion stigma, sexism and fat-shaming. Though the book’s many shrewd insights sometimes feel strung together in a way that’s less than artful, they are always a pleasure to read." In "The Guardian", Annalisa