First off I did NOT come up with this opener. Someone named JAYM from another PUA type site threw out this opener. It goes like this. Read the girls profile, pick out an activity, ie hot yoga.
Your message is
"Hot Yoga?...lol Your such a girl"
That's it. It is simple and effective. I was sending all sorts of messages and getting nothing, I start using ".....Your such a girl" Bang, 2 responses and chats after that. Not every girl responded, some were offline at the time, some were online. Even though I probably sent this same message to about 6-7 girls, some online some off line I got 2 to bite, and my next response was, "Here is a personality test, who was your first celebrity crush? Who ever they say, tease them about it, don't call the celebrity a f^g or any racial slur, just tease them like "You didn't get out much did you...."
Also when your chatting, mention your only online cuz your bored and waiting for your friend to finish doing her hair. Then ask, what's with girls and taking hours to get ready, I bet you take long too.
Just keep playfully teasing them. Shampoo, rinse, repeat.
Then let them know your friend is apparently ready, and excuse yourself. Tell them your not on (online dating site) here much and if there is another way to stay in touch.
I've had some baby step success with this.
And again, I did NOT make up the opener, but I have had success with it.
try it out, let me know how it goes.