If I am setting a zipper in the center back of a chiffon dress, what do I do at the bottom of the zip to secure the zip but then the lining, dress and chiffon have to be free....
I plan to set the zipper by hand.
Sew the chiffon and middle layer separately to the bottom of the zip. Clip the CHIFFON layer ONLY and turn the seam allowances in with the middle layer. Sew the two as one, then sew the lining in as normal. You can use a tiny drop of Fray Stop at the clip to stop the chiffon ravelling...
Personally, I'd use a concealed zip and sew the mid layer and chiffon as one to the end of that, clip the chiffon to separate it from the mid layer at the end of the zip, and sew the mid and chiffon seams separately. The lining still goes in the same as usual.
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