Jawzrsize is a patented facial fitness device designed to tone, strengthen, and tighten the jaw, face, and neck muscles. The device works by providing resistance when bitten down on, similar to how one would work out other muscles in the body. Users are encouraged to use Jawzrsize for 20-30 minutes daily to see results such as a more defined jawline, reduced stress, and decreased cravings. The product is praised for its convenience and effectiveness, making it a popular choice for those looking to improve their facial appearance and overall well-being.