The Bernina Leveling Plate is To compensate for the difference in height,one, two or three leveling plates should be placed behind the needle under the presser foot.

To compensate for the difference at the front of the presser foot, one or more plates should be placed on the right side of the presser foot, as close to the needle as possible. Sew until the presser foot has completely passed the thick part and remove the plates.