amazing how abortion and blast are interchangeable in american sign language. i love that thing, sign talk. placid even when the temper gets agitated. nice company to have around. and they‘re good listeners i guess. do they have slang by the way? or do you just alter and adjust the available vocabulary? so if you want to go barebacking, do you do the bare and then the back sign? that may give some top / bottom confusion. very interesting i think. very good project too! (kp)