Staple yarns have been made throughout history, first
by hand, then by mechanized versions of hand spinning,
then by what are now termed conventional machines i.e.
ring spinning and finally by various unconventional means
which definitely includes the open-end spinning system.
Vila et al. (1982) pointed out that the hairiness of the yarn
increases as the rotor diameter increases and fibre length is
one of the parameter that influences yarn hairiness.
However, the nature of the pre-spinning process could
influence the hairiness of the resultant yarns.