The frame containing heddles that rises or lowers to create the shed when weaving. Shafts are stacked behind each other, behind the beater, across the width of the loom. A loom is specified in terms of the number of shafts and the weaving width. The more shafts, the more complexity that can be achieved in a pattern.
![](https://i0.wp.com/weavinglooms.co.uk/wp-content/uploads/2023/02/shafts.jpg?resize=170%2C169&ssl=1)