To properly install an invisible zipper, you must have an Invisible Zipper Foot. As the zipper coils are guided through the tunnel system, the needle sews as close the coils as possible.
BERNINA Invisible Zipper Foot #35
My Top Presser Feet, Part 1: Invisible-Zipper Foot #35 » BERNINA
HONEYSEW Concealed Invisible Zipper Presser Foot for
16 - Gathering Foot, Bernina #0025967000 : Sewing Parts Online
Bernina Presser Foot Old Style Open Invisible ZIPPER Similar as
Cool tools! THE SEWING DIVAS sewing, design, fashion
Presser Foot Type: Old Style, A Dual Feed Walking Foot works great with thick or multiple layers of fabric. The foot allows for even feeding of the
Walking Foot, Bernina (Genuine) #0089687000
A blindstitch presser foot is perfect for blindhemming because the stich catches very little of the hem fabric making it barely visible. This presser
#5 - Blindstitch Foot, Bernina #0025807000
Sew-link Invisible Concealed Zipper Foot Feet for Bernina 530-950 35
BERNINA Invisible Zippers