Trionic Walkers is a company that specializes in 4 wheel walkers, also known as rollators. These devices are designed to provide mobility assistance for individuals who have difficulty walking or need support when standing for long periods of time. 4-wheeled walkers typically have brakes, a seat, and a basket or pouch for carrying personal items. They may also have adjustable handles and different options for the type of wheels they have. If you are in need of a mobility device, you may consider researching and comparing different 4-wheeled walkers, including those offered by Trionic Walkers, to find the best option for your needs.