Kevin started slightly at the Aussie's sudden appearance. "Bloody hell, mate," he said as he stopped punching, the bag flopping weakly for a momment. "You do a lot of that then? Sneaking up on people unawares?" Of all the people to show up here, it would be the trainer. The one person who might actually notice immediately that he was doing it wrong. "It's been a while since I've messed with this sort of thing, I'm a bit out of practice, I'm afraid."