Master Series Cheek Retractor Dental Mouth GagAt first glance, a fairly inconspicuous product. At second glance, an effective and well thought out device for your slave. With this device, his mouth will always be open and you will have unlimited access. To prevent it from hurting him too much and, above all, to prevent the device from falling out of his mouth, the product is equipped with side comfort cradles that adapt to all mouth sizes. The U shaped bar is used for easy removal from the mouth.