First remove the waste hair, comb the knotted coat with a steel needle comb and a card cloth comb. If the knot is severely knotted, the knotted comb should be used, and the waste hair can be removed with rubber. Comb to waste hair, you can also use a nail comb or a light comb. Grooming the pet's coat can play a role in blood circulation. It can be used with a wooden handle steel brush, an oval nylon brush, and an oval bristle brush.