A traditional grading term for the specific quality of wool fleece chosen to make warp threads. Because warp yarns must withstand high tension and abrasion on the loom, weavers select longer, stronger staples for abb-wool compared to the softer, shorter fibers used for the weft.
Heard on the job
We need a stronger staple length for the abb-wool so the warp doesn't snap during shedding.
Also heard as
- abb