"Depending on how one forms their fist, they could put his or herself at risk of something like a broken or dislocated thumb," Garth'zel informs him.

"Let me show you how to do it to minimize unneeded risk to yourself," he says, reaching out one hand and slowly forming it into a fist. "I'm sure I don't need to tell you that bare-knuckle brawling it going to result in things like skinned knuckles no matter what you do."

No reason not to do what's possible to avoid injury, though.