Quite often you are in a state of panic and will prefer something which is going to keep you safe all of the time. You need to think about this as you are making a decision how you are going to remain as alert as you can be.
The keychain alarm is a must in this point in time.
You must think of what you are utilizing to protect yourself, and this will be the greatest alternative. It is effortless to connect, and you will be able to stay safe.
I utilize it at all times, and it does a lot for me. You need to have one for yourself too.