The mystery behind the monkey wrench's common name

Why Is It Called a Monkey Wrench? · 8:23 · Video: History of Simple Things · Watch at the source

In short: Despite its ubiquitous presence in toolboxes, the origin of the term 'monkey wrench' remains a historical enigma. This video deconstructs popular myths and examines the mechanical evolution of the tool.

While many believe an inventor named Charles Moncky gave the tool its name, there is no historical evidence to support this claim. The episode investigates why the name persists despite the lack of a clear etymological root.

The content also traces the development of the wrench's adjustable design and highlights how Loring Coes improved its mechanism over time. It explores how the phrase eventually transitioned from a specific mechanical description into a common idiom in everyday language.

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