Bernina Knee Lift Brand_Schmetz This helps prevent unsightly fraying

This helps prevent unsightly fraying of buttonholes on coats and other garments

use needle with a sufficiently large eye such as Schmetz Topstitch Needles along with a normal bobbin thread

and prevent the button from being sewn too tightly to the fabric

Made to match in with

Bernina Knee Lift Brand_Schmetz This helps prevent unsightly frayingThe Bernina Knee lifter or Free Hand System (FHS) raises the presser foot while lowering the feed dog. This creates significantly more space and noticeably improves clearance under the presser foot, which in turn facilitates fabric handling. This saves you time and helps you achieve perfect results. The Knee lifter Free Hand System (FHS) makes it easier to sew thin, delicate fabrics. It's comfortably operated with your knee, leaving both hands free to