I recently saw this video
At the end I bought the foot and tried it on my Pfaff Quilt Ambition 2.0. After a week the foot arrived at my house and I studied it. I changed my sewing machine food and attached the flower stiching foot. At first I had problems to make it work. You have to bend the arm to make it fit to the machine. It works best when you bend it into a little curve. The mechanic of the foot produces a little bit of noise. It as not as much noise as the embroidery attachment of my Pfaff Creative Sensation Pro II but the foot is a bit noisier than a normal sewing foot. In general it’s no problem to work with this foot. Don’t forget to lower your sewing machine pressure to zero and don’t use the feed dog on your sewing machine. Then it’s no problem to use this little attachment. I recommend to use a cut away stabilizer under the fabric.