On the lower right a purple-socked foot is pushing on the treadle. Numbers show the steps to twist the wool fiber.
1. The spinner turns the wheel clockwise;
2. the right foot slowly presses the treadle forward/down;
3. the footman moves to the left, pushing the footman hook also to the left;
4. the spindle post subsequently rotates counter-clockwise, causing
5. the spindle to move away from the spinner.
The large arrow pointing to the left shows the direction in which the spindle is moving.
