[ He looks at her hands, then down at his, then back at hers. And there it is, the mouth parting slightly, the halting rumbling chuckle that passes as a laugh for Godzilla. He's not laughing at her of course, just the situation. ]

Ah! The excessive fifth claw. That is its name, "Pinky."

[ Another little chuckle as he holds up his own hand and wiggles his digits. He's got a thumb which puts him ahead of a lot of the game, but then it's one, two, three fingers and done. ]

I understand the spirit of such a physical bond to a giving of word, I can respect it. However I lack the required digit. I am willing to make an oath of blood in its stead to alleviate your concerns.

[ Well he escalated that pretty quickly. At least it's coming from a sincere place? ]