Puberty/Masturbate..? (Girls)?

I'm a girl and how do you exactly masturbate, and where is the oris located. I don't really want any toys since I am still young (13~14) and is it normal to want to masturbate at this age? What are some ways to masturbate? Does masturbating hurt? Cause I heard it feels really good and it makes you fell relaxed sometimes when your felling down. Please only serious answers! Best answer gets 5 stars! Thanks to all the people that helped me out!