Okay that was a thing Cal hadn't been expecting here, but the force worked in mysterious ways, and he'd obviously gotten his invite to look at how things were done here for SOME reason, so he went with it. It was the kind of thing he was way more likely to have seen at home, so that, honestly, made him feel a little less weird about the whole thing.
"Basics of?" He grinned a little, glancing at the others. Just...so we can clarify. Are we talking basic hand to hand, or getting random objects involved around here? Like...if I was going to reach out and..." He did stretch out a hand, toward one of the haybales off by the climbing equipment, and started pulling it towards them. "...move that haybale into play and used it to get some height and airtime would that freak anybody out?"