Vertical oscillating hook

The secret of the vertical oscillating hook

Vertical oscillating hook is based on Singer 15 which was originally a side-facing straight stitch hook. It is now perhaps more familiar as a forward-facing hook in many domestic machines. There is even a rotary hook derived from it, one variant is found in Husqvarna Viking machines from 1950s, another in Janome machines from 1970s,… Continue reading The secret of the vertical oscillating hook