Why is the zip is curved/humpy after pressing?
Spiral/coil zips have an S twist and Z twist in the teeth creating a “smile” or “frown” appearance when the teeth are joined. The left and right teeth should be both in the same direction/condition. If this is not the problem check the sewing tension is equal on both sides of the zip. Also check […]
Why is the zip curved after stitching continuous zip chain to the garment?
Spiral/coil zips have an S twist and Z twist in the teeth creating a “smile” or “frown” appearance when the teeth are joined. The left and right teeth should be both in the same direction/condition. If this is not the problem check the sewing tension is equal on both sides of the zip.
How do I stop the teeth creating an impression on the front of the garment’s fly panel?
Change the zip for reversed coil type zip and slider.