app/views/users/stuff.html.erb
<%= fields_for @new_lacquer do |new_lacquer_form| %>
<div class="other-lacquer">
<%= new_lacquer_form.hidden_field :brand, value: "OPI", :class => "other-lacquer" %>
<%= new_lacquer_form.hidden_field :user_added_by_id, value: current_user.id, :class => "other-lacquer" %>
<%= new_lacquer_form.text_field :name, placeholder: "lacquer name", :class => "other-lacquer", :required => true %>
</div>
<div class="btn-group other-lacquer">
<button type="button" class="btn btn-default dropdown-toggle other-lacquer color-dropdown" data-toggle="dropdown" aria-expanded="false">
Select Colors <span class="caret"></span>
</button>
<ul class="dropdown-menu" role="menu" id="color-dropdown" style="padding: 10px;">
<%= new_lacquer_form.collection_check_boxes :color_ids, Color.all, :id, :name do |b| %>
<%= b.check_box %> <%= b.label %><br>
<% end %>
</ul>
</div>
<a href="" class="dropdown-btn other-lacquer finish-dropdown" data-toggle="dropdown">
Select Finishes
<b class="caret"></b>
</a>
<div class="dropdown-menu" id="finish-dropdown" style="padding: 10px;">
<%= new_lacquer_form.collection_check_boxes :finish_ids, Finish.all, :id, :description%><br>
</div>
<% end %>