Originally Posted by
oldtnquiltinglady
It seems to me that my secret to sewing the double knits is to use a machine from that era (one with a built in stretch stitch); not one of the old black Singers; and if you move your stitching designation from regular sewing to stretch stitching (two forward, one back), anything you sew will hold forever. Even a t-shirt type material. Works for me anyway.
You may need to use one of the gold band needles made for the stretch material