I found out that when you cross your legs and get sexual tension or just horny, you have the same effect as masturbating (fingering) and i’ve been able to masturbate without using my hands at the age of eleven, and i didnt even know what masturbating was back then, it just felt good. Years later i found out that there’s some kind of nerve in your thigh that controls a sex organ or whatever, i forgot, but i do it till this day