At some point in the night, Ghoul decides he's going to be friends with the dog. Even if it is on Eames' float.

He has enough self-respect to wait until Eames looks distracted, then he sneakily squeezes up against the side of the float. From there it's a matter of reaching out and patting the area in front of himself while quietly clicking his tongue at the dog, attempting to lure it over.