Adjusting the presser foot pressure on a Brother sewing machine helps control how tightly the fabric is held while sewing. If the pressure is too high, lightweight fabric may stretch or pucker. If it's too low, thick fabric might not feed properly. To adjust it, find the pressure adjustment dial or screw on your machine, usually on top or near the needle area. Turn it to increase or d... https://sewingwire.com/how-to-adjust-presser-foot-pressure-on-brother-sewing-machine/