Janome's Sewist 721S Mechanical Sewing Machine is equipped with 19 basic built-in stitches ideal for quilt piecing, basic apparel sewing, and home decor sewing. Other exciting features include a free arm, a four-step buttonhole, and a four-piece feed dog. This four-piece feed dog moves your fabric more evenly. The four included presser feet allow you to attach zippers, create buttonholes, and sew various hems. The Janome Sewist 721S Mechanical Sewing Machine is a lightweight yet powerful machine that can sew up to 830 stitches per minute.