Acufeed Zipper Foot Single, Janome #202128007 LVWarehouse or you can get them

or you can get them in bulk

triple stitch

Sparrow 30

This greater visibility feature means easy-to-see sewing at its best

Acufeed Zipper Foot Single, Janome #202128007 LVWarehouse or you can get themThe foot can be set to sew on each side of the zipper. The edge of the foot guides the zipper to ensure straight placement. The AcuFeed mechanism is great for zippers in thin or stretchy fabrics; it feeds all the layers through evenly for a polished look. Guaranteed to fit Elna Sewing Machine Models: eXcellence 720PRO, eXcellence 730PRO, eXcellence 760PRO, eXcellence 770, eXcellence 780, eXcellence 792PRO, eXpressive 900, eXpressive 920 Guaranteed to