I took it out of the bag to take pictures. CY-10 side cutter for zigzag sewing machines. - Model: CY-10 - Type: Side cutter - Application: For zigzag sewing machines - Color: White/Silver - Material: Plastic/Metal It's not a Singer product, but Singer seems to have released it first, and you can see how to use it from this page (it's not in Japanese). It's not exactly the same, but I think you'll understand ↙ https://www.youtube.com/watch?v=NwbJ1moHwBs&pp=0gcJCfwAo7VqN5tD Thank you for looking.