I for one would do something along the following!!
You said she's selling berries??
Go in with "OMG!! Are these the exact same (inset berry name here) that Obama had at his inaugural speach?? They were the best I've EVER tasted!!
then follow up with "hey let me see your hand"
And do the finger length routine!!
From there run whatever else you feel like, smiles, do another DHV ect..
if you want to number close,
pull out your phone fiddle with it and be like, you know, you seem like you might be kinda cool, plug your digits in there and maybe I'll hit you up some time!!
I honestly hate cold approaching lol but I hope that helps!!
Cheers my friend!!
=Zach=