Relieve pain: compatible with most hook masks. You can change the use time to reduce stress and ears Easy to use: very easy to use, the extension strap can be adjusted. Set the ear line on the neck or on the back of the head, hook one side of the ear line and repeat the process on the other side. Place the extension strap in the most comfortable position and the process is finished. High quality: our mask support is made of high quality nylon, comfortable that does not crack or change its shape with prolonged use