Need suggestion and help for my model

I have made a pillow model and there a pin beside it. I want to press that pin in that pillow in such a way that it look natural with the wrinkles beside the pin and it is pressed in the pillow. Is there any extension or how can make it realistic
pillow.skp (1.7 MB)
Any help & suggestion plz

Sandbox Tool >> Smooth Tool set at 1"…

no plugin required…