Thought I would add this, for those of us with sewing machines, with at least a zig-zag stitch, if not a blind-hem stitch. I've never used it for the purpose, hehe I thought it was just a decorative stitch, but I think I"ll try it out on a pair of pants my dad asked me to fix the hem on. Will post pics if it works, otherwise doing the by-hand way posted here, just way easier!