Rouges do it from behind.
Necromancers do it with the dead.
Barbarians do it better when they're angry.
Clereics pray so they can do it.
Rangers do it with two hands.
Fighters do it hard and sometimes with chains.
Druids do it with animals.
Bards do it with music.
Wizards read books to do it.
Sorcerors do it spontaneously.
Illusionists pretend to do it.
Enchanters convince you to do it.
Psions do it with their minds.
Monks do it with out wearing a thing.
Mindflayers do it with tentacles.
Shadowdancers do it in the dark.

And my personal favorite.
Incarnum user don't do it 'cause no one uses Incarnum.