Afterwards , Isaac realized his quill was missing .
Isaac pays a visit to see Cruella and is stunned that she used Isaac as a means to an end , and Cruella used the skin from her mother 's dogs as fur for her signature coat .
Afterwards , Isaac realized his quill was missing , so he pays a visit to see Cruella and is stunned that she used him as a means to an end , and Cruella used the skin from her mother 's dogs as fur for her signature coat .