Tattoo Extension shoulder tattoo in Polynesian mixed style

Hi,Last year I created a half sleeve tattoo in polynesian style for a Dutch customer. It's a bit of a mixed tribal style, it has some stylized flowers and other repetitive shapes:Unfortunately the tattoo artist applied the stencil too small, so it now needs some extensions.I marked the upper shoulder part that had to be inked.I created a basic sketch and once it was approved I finalized it. To