Learn how to sew in a line that is straight - http://Imgur.com/hot?q=straight <br> <br> <br> <br> Use the seam lines that are width your sewing machine, or draw one having a ruler and pen.<br> <br> Start sewing and practice keeping the edge of the fabric exactly on that line. You should use the exact same piece of extra fabric repeatedly with this workout.<br> <br>