Self-defense electric batons what purpose - usually have Self-defense equipment net

Self-defense electric batons, protect themselves from damage equipment: equipment and materials of self-defense equipment [ 1] : protect themselves against infringement of equipment and material grading standard for the first day light can be used to it with me, and not to inconvenience or forgotten. The second good concealment, nature and man combined, blanking in the body. The third surface does not look like weapons. Convenient operation can, 4 as cold weapon without having to deliberately to learn. Fifth quick, takes out can immediately into, not assembled. The sixth function cannot be a single.