Maybe they can just back away from each other slowly.

"So long as we are at an agreement we may walk away on good terms. Do you kind shake hands? Or prongs, if that's how you ken it."

He offers a hand, hopeful that this isn't going to be another unnecessarily aggressive gesture. This is how things are settled where he's from and he's not going to let his manners slide just because everything here is topsy turvy.