Below the Ruffler, center right, is a Slotted Binder Foot with guide pins. I can't find a video,k but it, well, sews binding to the edges of fabric. Like it says on the tin.
EVERY time I have ever done this freehand I've ended up with wrinkles. Can't wait to try this.
#SewingMachine
#AntiqueSewingMachine