The binder foot is used to apply pre-folded bias binding tape or bias tape you have cut yourself to the edge of fabric in one easy step. It is equipped with a small funnel to fold and guide the binding over the fabric edge before it reaches the needle and can be used with either zigzag or decorative stitches as well as straight stitch. Easy sewing cloth edging (unilateral width 5mm to 20mm adjustable) You can make a good side of the package in advance perfectly sewn into the fabric edging up completed. Sewing both sides of the same effect with a special presser foot after curling can be placed in a cloth and keep edging. The adjustable range is from 5mm to 20mm. It fit Brother, Janome, Singer, Babylock, Kenmore and many more sewing machines that use a snap-on type foot.