Electric rod can corona people to consider the factors are: electric rod output voltage, personal physical quality and motor parts.The acceptable safe voltage f...

The tear spray is convenient to carry and easy to use. It can make the target lose the ability to attack in a short time and cause great pain to the target. It ...

The slingstick is derived from the short stick, or rather, the slingstick is a kind of short stick, but it has some characteristics of its own. Collectively kno...