"Hey I can think of lots of practical uses," Jack said, still grinning before shooting him a wink. He wanted Jack Harkness? He was going to get him.

He gathered up the Doctor's removed items and put them into the waterproof bag he'd put his own things into. Nice and tightly compacted, safely stored away.

He shifted up onto his knees in the sand and looked up at the Doctor.

"Yep," he said decisively. "Just like I thought. Hot." And then, "There's a pathway down the rockface, a ledge down there where we can leave our stuff before making the dive."