Originally Posted by Drum-Head
I know you question is directed to Jeff, I hope it won't be taken as rude if I answer. The Giant Step Twin Effect's foot plate is divided in two - the foot board and the heel plate. You activate one of the beaters as you would on a conventional pedal. The second is activated by playing the heel plate section of the pedal. Both are totally independent.
You, that's it. It's like the old-school rocking motion on the hi hat. It is different from the Dualist which hits one beater on the downstroke and the other on the upstroke.