Answer:
We applaud if you perform well.
I am pinched by grandmas
People make me, save me, change me, and raise me. What am I?
I am a protector of the scoreboard.
I go around in circles, but always straight ahead, never complain, no matter where I am led.
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.