Bernina Button Sew On Foot fits Bernette Models With this presser foot not only, buttons of different sizes can be sewn on but also rings or hooks. The Button sew-on foot provides a slip-resistant sole so that the button cannot slip away. Fits Bernette Models b33 | b35 *Please note* This is a stock photo of an example of this presser foot. The presser foot that fits your model may look different.