They let Mettaton steer them, leading the way even with the sizable height difference (never stopped anyone before, did it?) and managing to sell the strangeness of the thing with his typical charisma and confidence.

"You're very good at this," they say after a moment, and it is a genuine compliment, though to what is a bit up in the air: the physical steps he's taking them through, the lack of genuine persuasion he'd needed to employ in his favor, or the ease with which he's gotten the rest of the assembly to play along, or at least not see the sight as something terribly odd.