Nope. Never done it. Wanted to a million times...but never have. I think one might be able to get a good enough read on a woman's attitude to make an educated decision on (a) whether or not she might be open to it; or (b) whether or not she'd slap you if you asked.

Maybe if you were in some casual pleasant conversation already, you could ask. But I think if you just walked up to some woman out of the blue, out of any context, and asked for a feel....they'd be taken aback by that.

How do you do it? What your approach? Your opening line? What's your percentage success rate?