Creating duplicate fields through Freshout’s WordPress plugin Flutter has been a little on the mysterious side up to this point. No documentation seems to exist for this feature with the exception of simply repeating a php get_post_meta tag for each Custom Field. The true beauty behind the duplicate fields lies within the ability to utilize a single php function to echo all fields as they are created on the fly.
Check out this tutorial on using the duplicate fields:
http://www.doc4design.com/articles/flutter-duplicate-fields
