For more in depth advice, here's how to finger a girl or vagina-owner really well. They rejected male privilege and rejected the notions of male superiority and female inferiority. It's easier for some than it is for others to find it, so persevere.
Try not to grab. Alcman wrote hymns known as partheneia, [note 1] which discuss attraction between young women. However, as the marriage draws ever closer, Iphis recoils, calling her love "monstrous and unheard of". Chikane Himemiya in the Kannazuki no Miko manga.