Dad's upper turned and turned.

The vamp is a kind of leather shoes making technology called Norwegian sewing. Norwegian sewing is one of the traditional shoemaking techniques, and I have always been curious. The thick stitching on the vamp, whether matched with tooling shoes or gentleman shoes, can reflect a kind of roughness and wildness. This is a traditional shoe-making technology. Although it is called Norwegian sewing, it was actually invented by Sao Italians. The way to do this is to put the vamp outward and sew the insole and vamp on the side (this is the first thread). Then sew the midsole, the second midsole and more midsole (if any) in turn with the second needle, the third needle or even more needles according to the width of eversion and the needs of users.