Teflon foot

A presser foot, often with a sliding or automatic template, that guides the machine through the multiple stitch passes needed to form a buttonhole.

A small, often spring-loaded hoop-shaped presser foot used with the feed dogs dropped for free-motion stitching, darning, and thread sketching.

An attachment with an adjustable blade and gear mechanism that folds fabric into controlled pleats or gathers as it feeds beneath the needle.

An open-toe presser foot offering a clear view of the needle and stitch line, used for satin stitching and detailed applique work.

A presser foot with a guide bar that runs along a folded hem edge, positioning the needle to catch only a thread or two for an invisible hem.