stitch used to sew seats where the thread passes:
- out of the substance of the insole and under the upper to the featherline
- out through the upper and across to the next hole in the lasting allowance
- back through the upper and the substance of the insole
Compare Whip Stitch, French Heel Stitch, Twisted Whip Stitch.
Sources
- Manuela Kendler’s site has two photos of “ferse einbinden”, from two different projects: here and here.