I sincerely hope you're not one of those men who go to strip joints just to watch the exotic dancers. Most men do and they don't know what they are missing out on. These women can be picked up and are generally easy to meet. A lot of guys don't even try to pick them up and it's a shame because these girls need lovin just like any other girl.
You might as well face the facts that you just might have to buy them a drink or table dance to talk to them. These can be house rules.
Buy them a drink or two, it won't kill you. Just be nice to them and treat them with respect and you can get somewhere with them.