With your index finger on the 8, lay it back a bit to mute those 2 strings. Then your middle finger (or whatever finger you decide to use here) on the 9th, so it's not obstructed by your index.

Not too hard, don't worry.
Quote by CoreysMonster
I doubt people have fought holy wars and killed millions of people in the name of the Beatles, either. So, yeah, Jesus probably was bigger than them.
Quote by ctb
i was hoping for child porn.