I honestly don't know what the difference is between the Gold and Fusion pocket pin brush. The Fusion is made of solid brass pins that are static free, but I am not sure how this compares to the Gold. I first learned of the CC brushes from a thread on YT. Everyone was raving about the gold pin brushes. So I decided to get a pin brush but when I was ordering I opted for the Fusion, simply because it was newer.
I highly recommend getting a CC brush. Roxie had the same problem as Bella, she HATED to be brushed. Now Roxie loves when I brush her! Which makes me very, very happy!
I use John Paul Smooth Coat Instant Detangling Spray and PetSilk Shampoo and Conditioner.