putty in hands
*putty in someone's hands
Fig. [of someone] easily influenced by someone else; excessively willing to do what someone else wishes. (Putty is soft and malleable. *Typically: be ~; seem like ~.) Bob's wife is putty in his hands. She never thinks for herself. Jane is putty in her mother's hands. She always does exactly what her mother says.
putty in your hands
willing to do anything you want As soon as Jones realized he could get in trouble if they reported him, he became putty in their hands.