Answer: slubs

AnswerCrossword Clue
SLUBSDraws out, as wool fibers.
SLUBSDraws out and twists wool for spinning.
SLUBSNubby sections in yarn fabrics.
slubsslight irregularity in yarn produced either accidentally or purposely by knotting or twisting or by including uneven lengths of fiber in spinning
slubsSLUB, to draw out and twist slightly, also SLUBB
slubsthe fibers produced by slubbing
slubsto extend (slivers of fiber) and twist slightly in carding