" We'll have to fix your shoulder first,” MacRuairi said. He turned him around, grabbing hold of the top of his arm. He handed Arthur his dagger. “Ready?”
Arthur put the wooden hilt between his teeth and nodded. The pain was extreme but quick. After a moment, he was able to roll his shoulder freely in the socket. “You've done that before?” Arthur said.
“Nay,” MacRuairi said, a rare smile on his face. “But I've seen it done. I guess you're lucky I'm a quick study. "

― Monica McCarty , The Ranger (Highland Guard, #3)