There is always one in the crowd who has to mess it up for someone else. It might be from a neglected childhood or a over active imagination, but for whatever the reason, practical jokers are a threat to society. The reason I am including this information is not to give you ideas as to what you can do to others, the real reason is to inform you of what someone might try to do to you and how you can prepare yourself for this unfortunate occurrence. The altered valve We have all been the recipient of this miss alignment…