Helps train your dogs ears. This dog ear trainer tool is specially designed to help straighten the dog’s ear without hurting the dog. It comes with a left and right support, a base and 2 bands. Easy to use: First, clean your dog’s ear and wrap the clip from the bottom. Please add cotton between the ear and the clamp in case your dog’s ear is injured. Do not wrap tape tightly. Adjustable. This ear support is designed with an insert, the inner distance is adjustable from 3.1 to 4.7 inches. Suitable for most dogs. Highly elastic material. Made of high quality elastic material, the edge is smooth, will not hurt the dog’s ear. It is durable and flexible to support the dog’s ear. Note: This product is designed to help dogs that have natural upright ears and need ears up. And the best age to use this product is around 3 months. And it usually takes 1-2 months to erect the dog’s ear. Please check your dog’s ear every 3 days. If the ear rises. you can stop deforming. Otherwise, deform the ear