By the end of the film, Harry, Ron and Hermione are so in tune with one another - they’ve spent so much time together and they’ve done all of these amazing things together, that they kind of work together as one person. So there’s this great shot that we did where Hermione throws the basilisk fang, and Harry catches it and stabs the horcrux then Ron runs forward and kicks it, and it’s this amazing piece of clockwork, we’re all kind of connected.