Omamori is the Japanese charm for the protection or the good-luck getting in the shrines or the temples.
We usually buy it there for the family, friends, or the person who prays for.
You must find it fun to choose the one from various styles or colors and pictures on the charm.
It is good to buy the small pouch : most common type of the Omamori for carrying with you all the time.
For traffic safety, there is the Omamori which can sticks on the windshield
If you want to put it on the house, Ofuda : the plate type of the Omamori is also fine with you.
It is said that you had better replace the Omamori with new one on an annual basis.
We usually return the Omamori to the shrine or temples with gratitude.