How to adjust thread tension of manual leather sewing machine 

CowBoy OUTLAW Hand stitcher leather sewing machine is an economical alternative to electric powered sewing machines for saddle makers, leather workers and manufacturers of harnesses.
Every pull completes a precise lockstitch, so precision step-by step stitching becomes reality for detailed leather sewing work!!
Kinedyne HM-750T Revolutionary new powerful servo motor for heavy duty industrial sewing machine
• Revolutionary new serv...
automatic-sewing.com/products...