The Invisible Zipper Foot is very different from a standard zipper foot. It has 2 grooves at the bottom of the foot which hold the zipper coils in
The Invisible Zipper Foot: What It Is And How To Use It
Quick Guide on Inserting an Invisible Zip – Untitled Thoughts
Sewing Zipper Foot
Insert With Zipper
Invisible Zipper Foot, Janome #200333001P : Sewing Parts Online
Juki Feet
Presser foot for sewing machine online
Quick Guide on Inserting an Invisible Zip – Untitled Thoughts
How To Use An Invisible Zipper Foot To Sew An Invisible Zipper
The Full Catalogue of Madam Sew Tools and Notions – Page 6 – MadamSew