app/views/unlocks/show.html.erb
<h2>Unlock exercises</h2>
<p>
You can unlock the following exercises. By doing so, you accept their deadlines.
You cannot unlock exercises one at a time.
</p>
<ul>
<% for ex in @exercises %>
<li><%= ex.name %> (deadline: <%= ex.deadline_spec_obj.universal_description %>)</li>
<% end %>
</ul>
<%= button_to "Unlock these exercises", organization_course_unlock_path, method: :post %>