these girls are generally blinded by convictsemen by the time props are brought out to further degrade them with larger volumes of convictsemen.
why not pour a bag of scotts(tm) "grub-ex" into the funnel?
this would serve the adult-entertainment community at the same time it would entertain us, the lowly viewers.
how? i predict the next outbreak of pathogens in porn to be japanese beetle grubs and chinch-bugs. don't put it past porn-whores to harbor insect larvae en masse.