1. Look down your teeth. There is a screw that can raise the tooth1-1.5 mm. If you still don't go, see if the presser foot pressure is too small. The highest part of the nose is to adjust the pressure.

2. Sewing machines, also known as sewing machines, yard sewing machines and bone sewing machines, are generally divided into three lines, four lines and five lines. The main function is generally to prevent pilling in the seams of clothing. This sewing machine can be used not only for hemming, but also for sewing T-shirts, sportswear, underwear, knitting and other fabrics. The sewing machine can cut and sew at the same time, and the stitch is like mesh, which is also suitable for elastic fabrics.