Today I’m going to show you how to do a single stitch increase called knit front and back (kfb). When you see this increase on a pattern, it’s usually indicated as kfb. Another name for this increase is bar increase. If you look in this stockinette stitch sample, I did the increase here. You can see it creates a little bar that’s visible in your work, thus the name bar increase. I also did a couple of bar increase on the ribbing to show you how to properly place the bar increase in the ribbing. Because the increase creates this little bar, the bar will blend in very well with your purl stitches. You have to place the increase in the last knit stitch before you start the purl. For example, this is knit 2, purl 2 ribbing. I want to place the bar increase on the second knit stitch, rather than on the first knit stitch. In this column of ribbing, I increased on the second knit stitch. You can see this bar blends right into these purl stitches beautifully. On this column of ribbing, I increased after the first knit stitch. You can see this bar ends up between my knit stitches and really disrupts the row of ribbing. Just remember to place your kfb increase on the last knit stitch in ribbing, right before you start the purl stitches.
Now I’ll show you how to do the increase. I’m just going to knit in a couple of stitches from the edge here. Now each stitch has a front loop and a back loop. The front loop is the one facing you. I’m doing English style knitting and the front loop is the more forward loop on my needle. The back loop is right back here. To kfb, you’ll first knit into the front loop like you normally would do, but you don’t take that stitch off the needle. You leave it on the needle. Then you’re going to also knit through the back loop. Now I’ve made 2 stitches from 1 stitch which is a single increase. I’ll show you again. Let me knit just a couple of stitches normally. Now I’ll do another increase. Knit through the front loop. Leave your stitch on the needle. Come around and knit through the back loop. Then take the stitch off the needle. You can see, it creates a little bar that you can see right here. Thus the name bar increase.