Masturbation is the act of touching your own genitals for sexual stimulation and it is perfectly normal, and can be a healthy way to learn about your body.
If a woman is using a tampon, she should remove it before insertive masturbation . Otherwise the tampon and its string could get pushed up too.
Non-penetrative sex or outercourse is sexual activity that usually does not include sexual penetration. It generally excludes the penetrative aspects of vaginal, anal, or oral sexual activity, but includes various forms of sexual and non -sexual activity, such as frottage, mutual masturbation.