Jaws are only effective as long as you have gnashing teeth and strong bones to root the biting muscles in. And when those teeth and bones suddenly belong to something else, and they turn against the flesh around them, and crawl backwards through the body to gather more boney self?

It goes unpleasantly for the wolves.

Some of the wolves, at least. Two escape, and circle towards Jason and his steed, which has gone still as death; right now, Metody is busy a short distance away.