Crazy old lady drops her hair brush, which contains a concealed jack knife. As prank victims go to hand the brush back to her, the switch blade pops out and she thinks she is being attacked. At the sight of the weapon, grandma screams dramatically and runs away, leaving some very confused prank victims holding a brush / knife that they don’t know what to do with. A presentation of JustForLaughsTV, the official Just For Laughs Gags YouTube channel. Home of the funniest, greatest, most amazing, most hilarious, win filled, comedy galore, hidden camera pranks in the world! Social Animal? Here are a few interesting links: Twitter: twitter.com Facebook: facebook.com Tumblr: justforlaughsgags.tumblr.com Pinterest pinterest.com Puppies: www.youtube.com Offical Site: www.gags.justforlaughs.com Juste pour rire les gags, l’mission de camra cache la plus comique de la tl!