What technological advancement around 1589 began the shift of knitting from a manual trade to mechanized production?

Answer

The invention of the stocking frame by William Lee

William Lee invented the stocking frame around 1589, a mechanical device designed to meet the high demand for knitted legwear much faster than human hands could manage.

What technological advancement around 1589 began the shift of knitting from a manual trade to mechanized production?
inventionHistorytextilecraftknit