There's nothing like a scientific experiment to test out some PRANKS!!! The results of this specific test are positive: 100% of the victims were startled.Watch the video to experiment it yourself! Check out the best of JFL’s gags: http://bit.ly/1R905rRJust for Laughs goes sexy! Watch the naughtiest pranks now: http://bit.ly/1qul7vmDon't miss another Gag - Subscribe!: http://goo.gl/wJxjGJust for Laughs Gags across the internet:Visit our store: http://bit.ly/1OJuRNOJFL Comedy: http://bit.ly/1SrCWERTwitter: http://bit.ly/1THSSkGFacebook: http://bit.ly/1R8ZN4oInstagram: http://bit.ly/25bkqtWFilmed in Montreal, QuebecWelcome to the world-famous Just for Laughs Gags channel. Subscribe to our channel and stay up to date on our latest pranks!