You might part with it (4)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
comb
(Other definitions for comb that I've seen before include "Search (area) minutely; (cock's) crest" , "Toothed device - crest" , "Hair-tidier" , "Toothed grooming implement" , "Untangle (hair)" .)