This is a knitted button that can be used as a closure or just a decoration.
Calculators for buttonholes, yardage, and increases and decreases.
Crochet closure
Crochet Frog closures for your finished project.
Crochet buttons
Can’t find a button you like for your finished project? Make your own. These links are for crocheted buttons.
Single row button hole
I’ve never tried this,but it certainly looks nice when done and easy to do
Centre Knitters Guild 