stitch and i find that my automatic buttonhole is a bit too dense of a stitch for a sweater knit so i adjust my settings just a bit, i bump the stitch length and width up just a bit. on my machine i just adjust each of the 2 setting up 2 but this is going to vary a lot depending on your machine. i always do a test buttonhole first on some scrap fabric to make sure the setting are good and it sews easily on the sweater knit that i’m using.
once you have that first buttonhole sewn (if you don’t know how to sew a buttonhole check your 