Origin of the American phrase getting down to brass tacks

Q: When people prepare to discuss serious business, they often say they’re “getting down to brass tacks.” Why tacks? Why brass?

What is the origin of the phrase 'getting down to brass tacks'? What exactly is the phrase meant to convey? - Quora

Get Down to Brass Tacks

What is the origin of the phrase 'getting down to brass tacks'? What exactly is the phrase meant to convey? - Quora

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Etymology 101: origin of the phrase get down to brass tacks is disputed.

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Get Down to Brass Tacks