Steve knew that grin on Buck, and he knew it meant trouble. For him at least. "I think that...is up to Peggy. And um, I didn't actually check, it just said vibrating." he blushed a bit more, figuring that might have been a thing to check.
He bit his lip when Bucky slapped her, enjoying the view a bit himself. "Vibrating ones? Yeah." he mumbled, voice distracted and a little distant, missing the point of the question entirely.