I have been working on an opener that has been working quite well for me. Its sort of observational. I find that going up to a hb and asking her direct questions about what she is wearing they tend to respond well

for instance:
Me (wearing a check shirt)- "Where is your check shirt?!"
HB - (she replies with she dosent have one or its at home blah blah
Me (Shaking my head in a playful way) " we're all having a check shirt party, How can you come to the party if you dont have a shirt!?" (higher value)

they then usualy respond well, i will ask what town she is from then say the old "my mother warned me about girls from that town"

then from there I get a hook, and go on from there.