Wires are pointed towards the middle of the armpits' or brafitting

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

How to find the perfect fitting bra, according to an expert

How To Fit Your Underwire and other underwire mysteries - Emerald Erin

Bra Fit, The Corset Wiki

bra size – Bustin' Out Boutique

The No BS Guide to Finding Your Bra Size

Molded Smoothing Bra by Elomi, Beige, Full Cup Bra

Knowledge Zone - Akademia Profesjonalnego Brafittingu

How to adjust the underwire size of a bra

How To Fit Your Underwire and other underwire mysteries - Emerald Erin