hackle

n. 1 a (in pl.) Erectile hairs on an animal's neck, rising when it is angry or alarmed. B feather(s) on the neck of a domestic cock etc. 2 steel comb for dressing flax.  make one's hackles rise cause one to be angry or indignant. [old english]

n. A comb for dressing flax, raw silk, etc.; a hatchel.