## _form.html.haml

- f.fields_for :sk, @article.sk do |sk|
    Title:
    = sk.text_field :title
    Description:
    = sk.text_area :description

## article.rb

def sk= attrs
    set_translations :sk => attrs
  end

def sk
  globalize_translations.find :first, :conditions => {:locale => 'sk'}
end