The Wet Dreams Tongue Star Deep Diver Tongue Vibe Clear. This amazing pleasure tongue vibe is expertly designed for an ultra comfortable fit directly onto the teeth. Causes virtually no discomfort or vibration to the mouth or teeth while doing so. So easy to wear, and the Tongue Star Deep Diver will make your lover so easy to please, too. Material Thermoplastic Elastomers TPE. Vibrating Tongue requires LR754 batteries, included.