How to go over a thick seam when using hemming with a coverstich.
The issues is when you are hemming you are on 2 or 3 layers and you come upon a seam, that is either serged or sewn, it can be between, 4 to 6 or more layers of fabric then the 2 or 3 you started at. Depending on how the seam was sewn and finished.
You need to make a hump jumper the added thickness of the seam.
In this video, I did a double fold hem, and used a sewing machine to do a sewn then pressed the seam allowances to one side a topstitched the seam, so the double folded hem area is 3 layers and the top stitched seam is 9 layers.
I made a hump jumper out of the same fabric 6 layers thick to put under the presser foot to even out the foot when going over the thick seam.
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