The question arises is that what are the key elements of proper self-defense
. Well, every person has one's own perception and one's own point of view but I think that basically you need to take self-defense training course, carry self-defense weapons and last but not the least you must be quite confident of your abilities.
Therefore, we can say first of all you need to acquire self-defense training. The self defense videos are an easy way to learn self defense. This is not a big issue in today's modern world when most of the things are available at your doorstep. So you can easily find a number of self-defense training institutes where you can find different programs related to self-defense like karate, judo, kung fu and martial arts etc. All these programs are of equal importance and meant for the same purpose so it is up to you what you prefer in all.
Secondly, you must carry your self-defense weapons. The weapons are of lots of types like lethal, semi lethal and non-lethal weapons. When you have got lethal self-defense weapons then you must also get this license first. You should also keep in mind the hazards and negative points of keeping the lethal weapons. On the other hand when you are using non-lethal weapons then there is no risk in using them and you can simply use and apply them against your attacker whenever you want.
When you have got training of your self-defense program plus you are carrying the weapons for your security then your confidence level will surely raise and you may be able to tackle your predator in a better way.