Try no to play the video over and over again - If you can.
Who wants to be electrocuted by a 400-volt taser gun? NO ONE! Unless you are the most special idiot that ever walked the earth who tries to fool around with this dangerous weapon - like the guy on the video
We don't really know what came to his mind that led him to play with taser gun and even think to tase his metal bracelet while holding it. Maybe he wasn't aware that metal is the best conductor of electricity and can deliver the same amount of shock from the source.
Video Credit: SellTheWorld