Knit Binder Single Fold - 12mm (Gloria, Ovation, Primo, Euphoria & Coverstitch)Suitable for the Gloria and Ovation. Suitable for the Primo, Euphoria and Coverstitch machines. This attachment requires the 4 Hole Flat Bed Table for the Gloria and Ovation. This 12mm Single Fold Knit Binder will turn fabric strips into a double fold on the top side and a single fold on the underside and will attach to your project edge all in one step to give you a professional finish. The single fold will give you a better finish with thicker knits