Two independent needlethread configurations enable doubleneedle, doublethread sewing, creating parallel stitching lines for added strength, efficiency, and durability. 16 stitch options provide a range of effects for different needs, including basic straight lines, decorative stitches, and practical buttonholes. Each stitch is designed for reliable results to support everyday sewing tasks. Heavyduty performance allows stitching up to 6 layers of thick denim while keeping the seams neat and sturdy, expanding the range of fabrics you can work with. Pedalbased speed control offers intuitive operation: pressing the pedal increases sewing speed. The machine also features a twospeed switch for beginnerfriendly control. Use scenarios Repairing and reinforcing jeans or other denim garments, utilizing doubleneedle stitching for stronger seams and patchwork. Creating durable bags, backpacks, or home decor items from dense fabrics such as denim or canvas, taking advantage of the machine's multilayer capability. Projects that require a mix of straight, decorative, and functional stitches, including hems, trims, and buttonholes, for everyday clothing and crafts.