Hi skins, and welcome to the boards.
What you're describing is actually pretty common. Many people have small clits that hide under their hoods. When you become aroused, the clit fills with blood and can actually swell up and become more visible/accessible. Getting aroused also makes your clit more sensitive and can make things feel better.With Pleasure: A View of Whole Sexual Anatomy for Every Body
This article has a whole section on finding and stimulating your clit.
Can I ask if you've had any success with masturbation, or if there are any ways of touching yourself that feel pleasurable?