From Guns.com:

As a micro warrior, a.k.a. a petite concealed carrier, people often ask me how I pack away a Glock 19 on my midsection without qualms. The art of concealment is definitely elevated when you’re working on a smaller canvas, but using some creativity and good gear, petite gun owners like myself can make it happen. Though my journey has been fraught with a decade of trial and error, I’ve gathered a few tips and tricks along the way to better help my fun-sized friends.