DRV8812: ESD protection circuit on motor drive pin

Part Number: DRV8812

Hi,

I have questions about ESD protection circuit on motor drive pin.
Could you answer me the following questions, please?

Customer situation is below.
VM = 12V
I full scale = 0.4A
Using chip varistors = AVR-M2012C220KT6AB

Q1: Customer wants to use chip varistors on DRV8812 drive line.
       Can we use the chip varistors on DRV8812 drive line for ESD protection?

Q2: How do we usually protect the motor drive pins for ESD?

Best regards,
Shimizu