The Singer 99K, my favorite and my personal sewing machine! This machine is built very, very well! My great-great grand children should be using this machine! It does a straight stitch and it does it very well. If all you need is a straight stitch, these machines are worth their weight in gold! I talk about bobbins and why you must use the proper bobbin in a machine. Even within a manufacturer's product line you can not always exchange bobbins! I review winding bobbins, threading the machine including the upper and lower tensioners, and why to do the first two stitches by hand. I discuss why not to use a