Wash just quirks an eyebrow. "You'd think future tech could come up with a better insole." Future Insoles, the insoles of the future - which is a joke he can't make because Grif is from the past and everyone else is from another dimension, and there is no point in making a joke that literally no one will get.

Well, dammit.

He goes for a different one and tilts his head a little. "Sorry, I didn't get that," he says, completely straight faced. "Did you apologize yet?"