Andis Firm Slicker Brush Large Andis are known all over the world for their top-quality clippers and blades, but they have extended their range to include grooming tools which you will use every day in the salon. Each tool features an easy-grip rubber handle and is made to a high specification. Andis Firm Slicker brushes help remove tangles and dead hair from both top and undercoat. They have a curved back to help get into the coat better.