Yeah, you dont need a CRB..

[hogjowl]

I notice you never post pictures

 

[Desk Jockey]

I have not corn rowed a carpet yet and use a CRB on every job. I have white, zebra and gold brushes for the HOST machine and blue and white for the Brush Pro. just adjust to the carpet. mostly white for the HOST machine and blue for the Brush Pro. But never had corn rowing or blooming tufts. (hey that sounded corny)

Most of the pictures I've seen have show corn rowing. It could be it was there prior but its seems coincidental.