I always mist Beamer's coat before brushing him. Brushing a dry coat could break the hair.
Sometimes if he only needs a brush with the bristle brush I spray the Miracle Coat - or the Crown Royale - on the brush and then brush him with it.
There is a great grooming section on here with lots of good advice on grooming your baby.
Yorkie Grooming Talk - YorkieTalk.com Forums - Yorkshire Terrier Community