There are certain states in the country that have legalized self defense and there are even weapons invented just for this purpose alone. Self defense included the use of everyday weapons when the gadgets we see today have not been invented. These weapons have made it possible to remove the necessity of explaining it in the court of law nor the need for the proof. If this self-defense weapon was used, then it would be assumed that self defense was the purpose. Of course, it can also be abused.
Let's first define the term before moving on to another topic. This is defined as causing bodily injury or sometimes even death to another person deliberately. Killing someone intentionally isn't justified, unless he needed to do it because there was a serious threat on his safety. But if he started the fight, it won't be considered self defense. Nor may a person intentionally injure another unless he reasonably believes that it was necessary to prevent an immediate injury to himself. Again, it won't be self defense if he himself was the one who started the fight.
So what are these weapons of self defense? An example is a device that emits an ear piercing sound that can ward off an attacker. It is controlled by a safety pin. When this safety pin comes off, the alarm also goes off and would be heard from a considerable distance, thus warning other people within the vicinity. It could also thwart the plans of a would-be attacker.
Another is the pepper spray which would could cause a serious irritation on the eyes, thus, disorienting the attacker.
Another type of spray releases a substance like a dye that won't come off for several days. The purpose of this is to mark the assailant for later identification.
Then there's the stun gun which produces a high voltage electrical charge that shocks the attacker, leaving the attacked person the chance to run. There are different voltages being used. This kind of device needs one to be close enough to the assailant so that you can shock him on the exposed skin.
A variation of this is the Taser gun which shoots two darts into the assailant thereby delivering the charge. The advantage of a Taser is you can be in a far distance from the attacker and the darts would pierce through clothing.
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