I like the hand drop test when I'm trying to work out if they're faking it. I can't imagine that they would hurt themselves if their hand hit their face, just not enough force there to break their nose unless you're flinging their hand down on them. Gotta be sure you do it right though, I've seen it happen where the angle of their arm will naturally allow their hand to move and miss them as it falls, so you gotta line it up right.
We get a fair number of HP (hispanic panic) calls here where a family member is feigning unconsciousness for whatever reason, so I get to practice this one quite a bit.
Another good pressure point is right behind the ear at the angle of their jaw.
