Are French seams stronger?
A french seam is a meticulously sewing technique where the garment seam is folded on itself and doubled. This double folding makes the seam much stronger and it tends to last longer than regular seams.
How do you make strong seams?
SUPER SEAM #1: Fold and stitch down
First, to make the seam itself stronger, I use a “5 stitches forward, 2 stitches back” approach, meaning I stitch forward a spell, then back a couple stitches, forward a bunch, back a couple, and so on. This insures that the stitches themselves won’t pull out with wear.
What is a welt seam?
1 : a seam with cord welting inserted. 2 : a flat thickened seam stitched first on the wrong side and then on the right side.