D.N.
I hated that also. so frustrating. I put stitches through the waistband, alternating between top, middle and bottom. I think the stitches were about 1/2 inch apart. I did not have a machine to run stitches in the whole waistband. It worked really well. When taking out of th edryer, sometimes if the stitch was at the top, it would fold up at the bottom but stretching the waist fixed it right away. The stiches were like this:
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