A 50/50 mix of high-quality synthetic bristles and flexible brass bristles provide the effective yet gentle action needed to tackle stubborn mud and shedding coats. The brush is strong enough to do the tough jobs and go gently on your horse's skin and hair coat. An indispensible tool during shedding time that doesn't damage hair follicles or make the new summer coat dull and damaged, like shedding blades can. Keep your horse clean and itch-free during shedding time and beyond. Ideal for grass kept horses.