Happy Feet: Quilt Binding with the Flat Fell Foot - This makes it look SEW easy! Includes a video showing how the flat fell foot turns fabric over so it can be stitched precisely. (Now I know why I couldn't get mine to work right.
Perfect hem line - draw a line on card stock, 1 inch in from edge of card stock. Place the card stock on fabric, with line parallel to fabric edge. Fold fabric over card stock, aligning fabric edge with line; press with an iron.