In this video I show how to sew a product with French saddle stitch and get slanting stitches on both sides. For this I use:

Sad pony
Needles for working with leather
Lowercase Chinese punches with a slanting tooth
Synthetic round braided thread 0.45mm thick from MEISI.
Awl with a diamond tooth 2mm wide
Belt leather vegetable tanning made in Italy with a thickness of 3.5 mm.
 
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