Once you learn the basic techniques and begin going at it, knitting is actually pretty easy. Just repeat the same loops and weaves over and over again and you'll easily find yourself with a long train of knitted yarn fabric. But how the heck do you end a column of stitches? This is where casting off comes in.
Check out this knitting tutorial to learn how to make the final edge of a knitted fabric on a knitting loom. This method provides a neat and professional finished edge that you can use for diverse projects from Afghan blankets to scarves.