The main purpose of a lug nut or a wheel nut is to keep the tire in place. or making sure that the wheel is properly placed and stuck on the vehicle. that all sound quite boring. well, we at santa ecommerce are here to make things a bit more exciting. these spike nuts, not only fulfill the purpose of a regular lug nut but also add some flair to your car. you can get a custom size lug nut. they are in fashion these days.