So, that, seems, to be true..
Once watched this - Hysterical Literature sessions filmed by Clayton Cubitt.http://www.youtube.com/playlist?list=PLVna2B64pQwolR2Y09aqHuIEwWh0RVuLq
Was told, that there used simply a toy with vibe to be incide while reading...
He-he, I was so curiouse to repeat...