Use it when making or attaching fasteners or piping tape for a clean finish. ● Loosen the back screw and move the push over either the left or right feeding teeth and tighten the loosened screw. Please adjust the needle so that it does not touch the press. Depending on the model, you may need to attach the push adjustment fittings (model name F009:735 yen) or push adjustment fittings S (model name F010:735 yen). Compatible products: All sewing machines. Please be sure to check the compatible model. ●We cannot accept cancellations after shipping. We only accept COD on COD when you order at the same time with the machine itself. ●Free shipping if you order at the same time with sewing machine.