This shit is hot. check out http://www.venus-girls.com/trailers/ www.robandjill.com for an example (free videos NWS obviously). basically tease the man and don't let him cum. the above woman, jill, does some creative shit like the "ruined orgasm" where just as he starts to come, she stops. Or she'll give him 1 minute to cum, and if he can't, she won't let him cum for another week. She'll also flip a coin to see if that day he gets to cum or not. www.orgasmdenial.com also has some stuff.