1. Knives- any fixed blade that is under 5.5 inches, cannot be serrated; as of September 1, 2013, switchblades that are under 5.5 inches, cannot be serrated and cannot be a stilleto style (as stilleto is used for stabbing and not cutting).
2. Tasers
3. With a Concealed Handgun License, a handgun of your choice. Nothing works better and looks life threatening like a Springfield .45 Auto.
More than likely it is perfectly legal to do so. To carry concealed you would undoubtedly need a license of some sort, however the last timed I checked open carry was legal. Check with local law enforcement for up-to-date information before doing so.
It depends on where you live. In the areas that they are legal, they often require a concealed weapons permit.
Self defense.
There are many self defense weapons that are highly rated. The most obvious one is yourself. Others include non-lethal weapons such as pepper spray or mace.
Traditional self defense weapons can be purchased online, at sporting good stores or martial arts centers. Other self defense weapons such as mace, pepper spray, hand guns and taser guns can be purchased at trade shoes and gun dealers.
Concealed weapons are typically used for self defense.
It would be Karate
No, for they can be very helpful in self-defense situations
russian sambo
no learn to fight
kubaton keychain self defense
Weapons are made to help people do stuff like hunting and for self defense.
check with your state prosecutor's office