I find that sometimes when knitting, I have knited a st and find that I had left some of it behind. Of course I find it when I am knitting the next row and sometimes I think it is a st that has come off the needle some and pick of some to go with it. This is wrong to do. I find if you have knited a few rows you will find that leading up to the st is a row from below and if you look you can find where you added the st. I do hope this helps you. Shannoneal. I just came back to knitting and am finding that I am doing that myself. Hope I have helped you.