scudding
A process used to remove remnants of hair and hair
sheaths, hair pigments, fat, and undesirable
protein constituents, lime soaps, etc., from a
skin when a very clean grain for both smoothness
and level dyeing properties is required. A skin is
usually scudded following unhairing, and, while it
may be done following bating, it is always done
before tanning. The process is carried out over
the beam with a curved, blunt-edged knife, or,
more often today, in a machine which squeezes and
pushes the unwanted material (scud) out of the
skin. (291 , 363 )
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