enzo model

Hi
I was just wondering i got my enzo model the other day and looked at it and i just wondered what the second caliper like thing is on the disk brake? i know its there in real life but whats it for?
just curious

thanks

Parking brake.

parking brake or traction control component?

Parking brake. The traction control system uses the main caliper.

I can secont the parking brake there is also a secont on the two new Lambos...

good question, i was wondering the same thing