FURminator Small Animal De-shedding tool FOR RABBITS, GERBILS, GUINEA PIGS OR OTHER SMALL PETS FURminator Undercoat deShedding Tool for Small Animal removes loose hair from shedding up to 99%. It also helps reduce hairballs. Use 1-2 times every week for 10 to 20 minutes per session on dry hair. It provides the most efficient method of removing loose hair. 1.25"/3,2 cm deShedding edge Stainless steel de-shedding edge reaches deep beneath your pet's short topcoat to gently remove the undercoat and loose hair.