What is the name of the black plastic thing under the keyboard, as in the photo?

Question

Keyboard

Recently, under mysterious circumstances, I broke black jokes on the space and now the click is pressed only in the center. If you click anywhere else, the space will skew

Answer 1

Ear slots?

Answer 2

If you are going to look for them on Ali, then it's easier to look for them as a "key", and it will be, according to the idea, assembled with them.