The Dyson groom tool removes loose hair directly from your dog before its shed around the home. Loose hair is sucked into your vacuum. It fits most Dyson upright and cylinder vacuums and is suitable for medium and long-haired dogs. The dyson groom tools bristles flex to an upright position when pressure is applied, to penetrate the entire coat. Bristle length adjustable with spring loaded trigger for different length coats. 2 suction settings to ensure suction is soft and comfortable for your dog and full suction to catch loose hair. Suitable for dogs.