Answer: bristles

AnswerCrossword Clue
BRISTLES

Brush hairs

BRISTLES

Displays some umbrage

BRISTLES

Brush feature

BRISTLES
Coarse hairs
BRISTLES
Brush parts
BRISTLESHackles.
BRISTLESTakes on an aggressive attitude.
BRISTLESRuffles
BRISTLESStiff hairs
BRISTLESHog hair
BRISTLESBecomes tense with anger