Originally Posted by
#1piecemaker
Beleive me.... I've been trying to figure it out also. When you start to go backward, it hangs in the fabric and when you push it on, it takes ugly stitches and is a ball of thread underneath. stitches look good when going forward. If all else fails, I'll call my Nolting girl!!
That sounds like there might be a bit of thread caught in the bobbin area. But usually that messes up sewing in every direction.