Mantra is a combination of letters or words in Sanskrit. The mantra of every sound, every letter is very important, it carries a big meaning.
The pronunciation of mantras and wearing on the body, has a huge impact on human destiny.
Sanskrit is not the easiest language and misspelling mantra can change the whole meaning of it,so it is worth a few times to double-check what you want to put on your body.
Basically mantra stuffed the small print on the shoulder, fingers, forearms, neck.