app/views/user_lacquers/_user_lacquer_giftable.html.erb
<td class="giftable" id="<%= user_lacquer.id %>">
<% if user_lacquer.giftable %>
<%= link_to "✔", user_lacquer_path(user_lacquer, params: {"user_lacquer[giftable]" => false}), {:method => "PATCH", :remote => true, :class =>"btn btn-success btn-xs"} %>
<% else %>
<%= link_to "✕", user_lacquer_path(user_lacquer, params: {"user_lacquer[giftable]" => true}), {:method => "PATCH", :remote => true, :class =>"btn btn-danger btn-xs"} %>
<% end %>
</td>