<%= render :partial => "shared/flash" %> <%= simple_form_for @product_feature_detail, url: admin_product_feature_detail_path(id: @product.id, product_feature_detail_id: @product_feature_detail.id), wrapper: :horizontal_form, wrapper_mappings: { check_boxes: :horizontal_collection, file: :horizontal_file } do |f| %> <%= render :partial => 'form', locals: {f: f} %> <% end %>