hackles >> ˈhak(ə)l
Definition: [noun] erectile hairs along an animal's back, which rise when it is angry or alarmed.
Example: the dog continued to growl, its hackles raised
Definition: [noun] a long, narrow feather on the neck or saddle of a domestic cock or other bird.
Definition: [noun] a steel comb for dressing flax.
Definition: [verb] dress or comb (flax) with a hackle.
Example: taking each section separately the student should lightly hackle the extreme ends