Cord Stop Barrel Adjusters - Perfect for making face mask elastic adjustable.
Make the elastic a bit longer than normal for over-the-ear style masks. Put adjuster on elastic and wearer can now have a fit that comfortable for them!
Fits up to 1/4" wide elastic and can be used with baby elastic or narrow cording.
https://thesewingplace.com/cord-stop-barrel-adjusters-20-pieces-per-package/
