If you are a new quilter maybe SID is not your best option. I sometimes (but am not a new quilter) just use the side of my presser foot as a guide on the ditch. then I quilt about a 1/4 inch away from that ditch. it is easier to make it look good for me, anyway. Concentrating on keeping right in the ditch can cause me a lot of tension in my shoulders and brain lol. You can also mark the quilt by placing painters tape where you want to quilt and sewing right next to it. No staying in the ditch. there is a nifty little notion out that enables you to bury all those thread tales too.