Just the Tip.. I think

Flicking the bean

Flicking the bean [/u/Your_Little_Angel]

Just the tip and the balls

Flicking the bean

Flicking the bean until she's cumming

Flicking the Frenulum

Flicking the bean

just the tip

Flicking the tip with her tongue as he spurts everywhere

Flicking the tip with her tongue as he spurts everywhere

Teasing just the tip first