He hit the floor hard, and cracked his head on the floor. Her teeth came down hard on his knuckles, but he jerked on her hair to get himself free. When that didn't work, he complied and dropped the knife. He still had another, after all.

He had somehow gone this long without seeing the effects of the masks, and had just considered it a trophy, or a method of getting kills without having to deal with reprisals in later arenas or in the Capitol. Thus, he hadn't considered it a threat as of yet. This was about to change, too little too late.