... press the pedal 3.common thread is ok 4.Useful SL780 Handstitch Sewing MachineSL780 handstitch sewing machine serves for the purpose ... 16# 18# 20# 23# 8mm0.5~6.0mm420550w120x88x120cmGW260NW170 kgsDetails Show SL780 high speed handstitch sewing machine