・ Knot Relief Comb ・ Elastic massage comb ・ Professional brushing for pets ・ Brush from the neck to the shoulders, then the back, chest, waist, abdomen, and then the back, finally the head, and then the limbs and tail. After brushing one side of the body, move to the other side. ・ Material: Engineering plastic/stainless steel. Please use the product properly so as not to injure your pet's skin.