Yeah. That's a straight-up orthodontic bite splint, only with a vibrator attached. It's clearly meant for oral sex, but with the added difficulty level that it's now impossible to have oral sex. It's fixed to your teeth so it doesn't move with the tongue, which means that you basically have to move your entire head. So unless your headbanging game is really, really strong, the only thing you're going to fuck is your dental health as you provide an exorcism for your partner's sex drive.
You'll notice that the product tries to pass itself off as a "tongue vibrator," which is a ridiculous concept in itself -- whatever you're planning to do with your tongue, odds are it's going to require precision and passion way the hell more than having a ceaselessly rumbling pill pocket on your soul patch. Still, as soon as you delve deeper in the product description, the dental aspect reveals itself:
Strategic design and contoured shape by a leading orthodontist. This amazing pleasure tongue vibe has an Ultra-Comfort fit directly onto the teeth and causes virtually no discomfort or vibration to the mouth or teeth while doing so.
It then goes on to flaunt the fact that the package comes with a lube that tastes like liquor, because the manufacturers have long since given up hope that people who don't need the taste of booze in their mouth at all times will ever even consider buying their product. Still, even the misguided souls shelling out money for an "orthodontist-designed" sex splint can look down on the folks who employ the Snorkel O Vibrating Muff Dive Gear: