My problem with using the All-Purpose Foot was lack of visibility. I wasn't sure how best to align my fabric to ensure a consistent, even stitch. The Zipper Foot's open sides addressed the visibility issue while the notched area addressed fabric alignment.
Time: About ~15 minutes for a skirt hem
Materials: Zipper Foot, thread that closely matches your garment
1. Try on your garment and pin your desired hem length.
2. Set your machine to the stitch in the photo below:
3. Switch out your All Purpose Foot for the Zipper Foot and fold your fabric as directed below.
This post was inspired by Ping and our sewing conversations :)
For the traditional method using a blind hem foot, check out a great tutorial here.