Pink It makes excellent tape to go over the stitching but I don't believe they make stitching which goes under the tape. I have used fishing line cut into small pieces to make stitches but "Scale Rib Stitch" was much easier to do

"Scale Rib Stitch" applied

"Pink It" tape applied over "Scale Rib Stitch" stitching

fishing line glued on with ca before taping

tape applied to fishing line stitches