Push the metal part of the Sensormatic Buttonhole Guide #10 into the slot under the two arrows at the back of the needle plate. The white plastic part extends over the needle plate, covering the feed dogs. Slide the guide towards you until it lies against the rear of the free arm. The guide will spring back slightly. There should be a gap between the needle plate and the guide as shown on the picture.

Snap-on buttonhole foot #5A and use both to sew buttonholes *** Before starting to sew, pull the slide of the foot towards you until the red arrow matches the second red mark

Compatible with the Pfaff 2000 series machines and needs to be used along with Buttonhole Foot #5 or #5A