For use with all sewing machines, the rotary foot is effective for preventing stretchy fabrics, jersey and knitted fabrics and hard to feed materials, like leather or vinyl from slipping or puckering. The foot also allows left-right tilt and its caterpillars independently grip the fabric for perfect feeding along areas where there is a height difference between the left and right sides of the needle especially when hemming thicker fabrics.It comes with: blind Hem attachment, Bias Tap attachment, Wide rolled hem attachments