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

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

Shirt Anatomy 101: Collars, Hems, and All the Parts in Between

Shirt Collar Styles For Men: The Complete Guide

Further Details

Plastic shirt buttons Stock Vector by ©eduardrobert 44790861

How Men's Dress Shirts Are Made (Quality Hallmarks)

Shirtmaking: Button Placement & Buttonhole Tips

Men's Shirts, Horizontal Button Hole/triple Collar/polycotton/button Down/long Sleeves/classic White, - Buy China Wholesale Men's Shirts $4.5

Q&A: Buttonhole Orientation - Threads

OUTLIER Blazed Button Down Pivot