My Underwire Bra Doesn't Fit - Understanding Your Breast Root

Underwire bra doesn't fit? Understanding your breast root is important when shopping for a wired bra.
How Wire Width and Cup Shape Affect Your Bra Fit ~ A guide to correctly fitting underwire bars.

Why Do My Bra Underwires Hurt?

This little trick is the only way to know if your bra really fits. – Curvy Kate UK

Are You Overfitting Your Wires? A look at breast root anatomy

Examining Proper Bra Fit

7 Common Bra Fit Issues & How to Solve Them - Solutions to Common Bra Fit Issues

Sports Bra Fit and Care Guide

Undies.com Women's Microfiber Lace Unlined Underwire Balconette Bra, Blue Depths, 32A at Women's Clothing store

Bra Making – Sew Busty Community

9 Clear Signs That Your Bra Doesn't Fit You

Is your bra making you ill?, The Independent

Bra Tips: Fitting An Underwire • Cloth Habit

The Best & Most Supportive Wireless Bras for Large DD+ Breasts: An Honest Review