The Deamon book has some cool motion interaction in it. They call it the Shamanic interface! I really want to make one of those, too bad tech is not readily acc

The Deamon book has some cool motion interaction in it. They call it the Shamanic interface! I really want to make one of those, too bad tech is not readily accessible yet. Is subvocalization a possibility? Mic or EEG setups might need to be slightly different.