BERNINA #14 Pin Special Zipper Presser Foot with Guide (Old Style)

The Bernina Zipper Foot with Guide #14 is suitable for the precise, professional insertion of zippers. 
Owing to its wavy shape, this Adjustable Guide rides right over the coils of the zipper. The result is a neat, evenly inserted zipper. 

And with its ability to produce perfectly  parallel lines of straight topstitching, Zipper Foot with Guide #14 is is also a useful aid when edgestitching.