How to make a neckline smaller

How To Fix Stretched Neckline/Collar

How to Raise the Neckline on a Cowl Neck

How to fix a t-shirt with a tight neckline — Sum of their Stories Craft Blog

How to Make a V-Neck Smaller

Alter a Men's Shirt: Make a Collar Smaller - Threads

Fixing a Neckline that is too big & gapes : 10 Solutions - SewGuide

DIY alterations: How to slim sleeves + armhole & raise neckline - Extra Petite

How to take in a shirt the right way {how to make a shirt smaller}

6 Ways to Fix a Gaping Neckline