Why Do Shirts Have a Horizontal Button Hole at the Bottom?

The question isn't as sideways as you might think.

High Quality Dress Shirts - Proper Cloth Help

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Todavía Dislocación dirección bottom button on shirt Proceso de

Why is the bottom button hole on my shirt horizontally oriented instead of vertical like all the others? : r/whatisthisthing

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Why Do Shirts Have a Horizontal Button Hole at the Bottom?

High Quality Dress Shirts - Proper Cloth Help

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Horizontal or vertical buttonholes? – ooobop