Issue link: https://docs.hic.us/i/445637
To pass thread, to set fabric 39 1 2 3 4 5 6 7 8 9 10 11 Chapter 4 RR07 2. To pass thread, to set fabric 2-1. To pass thread Thread correctly at tension part (indicated by arrows). Otherwise it affects finishing of sewing. Threader (accessory)