There is a car wash called Little Boy on the market, which has obtained a patent certificate. It is not only light in weight, but also has a more scientific water output design. If the water output is designed to be large, the water source will follow. No, the water output is designed to be too small and not enough to wash a car, so its design has its own uniqueness. A bucket of water can wash a car. It saves water and is environmentally friendly. I was a little uncomfortable using it at first, but I got used to it after two times. The more I use it, the better. You can learn from it