"Oi!" Figaro grabbed for Sasha's sleeve as he started to walk off.[1].

Figaro was aware enough of where they were to keep his voice low, but, "ye soggy git, where are you going?" Fig had his wand out down and to the side nearly behind him. A Drying Spell was quick enough, didn't seem in-character for Sasha to be squishing around with wet socks. Figaro hated wet socks.

Maybe Sasha had more to lose being non grata in the Cambridge muggle shopping mall and was worried about that, but nah, he had a smile on his face. Fun wasn't spoilt yet.

"Mate, dry off and let's get me some shoes. And I want to get something muggly for Frankie."

1.	Up to you if she snags him