How to reduce the noise of metal mouse pad

I just checked many reviews of aluminum mouse pad or metal mouse pad. Everyone complains the noise is too big or unbearable. The user Jason said: Better than cloth in a lot of ways, but I don t like the scraping A nice mouse pad but the noise it makes when I move my mouse around on it is unbearable said by Squirrelman. . I talked to our engineer about the complaints of noise and ask how to reduce the noise on metal mousepad He said it s simple. Try to reduce the friction of between the mouse