 Sewing machines are now made for a broad range of specialised sewing purposes, such as quilting machines, heavy-duty machines for sewing thicker fabrics (such as leather), computerized machines for embroidery, and sergers for finishing raw edges of fabric.A wide variety of presser foot attachments are available for many sewing machines—feet exist to help with hemming, pintucks, attaching cording, assembling patchwork, quilting, and a variety of other functions.A thimble is a small hard tool used as a protective device for sewing.