Dan White wrote:
The grain separates a little at the knife edge, kind of like
the way a horsehair (or whatever material that is) dartboard does.

dwhite

JLarsson schreef
I believe that would be "boar bristles".

***
No, dartboards are purely vegetable (i.e. sisal fiber), e.g.
http://www.dartboards.com/cart/shopp...iew/key=ESC003