Advantages, to cloud ones mindset to believe a false reality that eventually leads to their death. A swift yet silent way to kill the opponent and or cut numbers. It can also be used for scare tactics and or for suppression against foes. Disadvantages, easily breakable, someone can as swiftly arrive to a conclusion as quickly as you can deliver. Also leaves you extremely vulnerable if you are to hit only one person in a group. How i would use it in battle, by merely attaching one line to another without suspicion, to distract or even kill my opponent in the most swift yet secretive way possible."What about advantages, disadvantages and how you would use the technique in battle?"