Complete technical guide for Hook Finger Setting in Buttonhole Sewing Machines (Juki & Brother). Hook finger ensures the loop of thread from the needle is properly caught by the rotary hook. If hook finger position or timing is wrong, it causes thread breakage, skip stitch, or needle jam. 🧵 In This Video, You’ll Learn: Function of hook finger in the stitch forming system Standard hook finger clearance from the hook point (usually 0.05–0.1mm) Correct height and angular position setup Step-by-ste

Troubleshooting Juki Sewing Machine Problems (Repair Guide)