The best expert sewing machine: Singer Heavy Duty 6800C Computerized Sewing Machine, $350 ... as it can handle hard-to-manipulate fabrics like denim and also multiple layers at high ...

For sewing machines, ... Plus, it sews up to 1,100 stitches per minute, is quieter than similar vintage models, can sew denim and leather, and comes in electric and non-electric versions.