Does Hair twirling grab attention?

Lame question here - I was in conversation between 3 people and I have a habit of playing with my hair. I just flicked my hair over my shoulder and the guy who was in the group, looked at my hair and then at my eyes and looked away. Don't mean to sound lame, but just asking what makes a man pay attention to that and look away?

Does Hair twirling grab attention?
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