Self Pwnage

“This video is fair use under U.S. copyright law because it is (1) non-commercial, (2) transformative in nature, (3) uses no more of the original work than necessary for the video’s purpose, and (4) does not compete with the original work and could have no negative affect on it’s market.“ What happens when you give your ’daughter’ a butterfly knife, then hold her at gunpoint later?