Flat-felled Seam (and 2 alternatives)

Step 4 True flat-felled: topstitch

Change threads in your sewing machine to the topstitching thread (no need to change the bobbin thread). Stitch close to the seam line, about a 16th-inch in, using a longer stitch length than usual because of the heavier thread.

Run a second line of stitching a quarter inch over from the first line, or as far over as you like, keeping in mind that you don't want to either:

• stitch off the edge of the folded-under seam allowance
• stitch so far away from the underneath fold that it comes unfolded

(check back to the cross section pictures to see how these mistakes might occur)