Unfortunately several different leather qualities have been processed, which have a different expansion behavior. In this way it was possible only in one place me, the leather to sew closed. In other places the seam is open 3-5mm. And, although I have followed suit when sewing with a metal Crochet needle, this distorted this powerful and that leather as well as the line had almost torn. Even after two weeks, it is not possible for me to Close by tightening the sutures.