app/views/devise/unlocks/new.html.erb
<h2>Resend unlock instructions</h2>
<%= form_for resource, :as => resource_name, :url => unlock_path(resource_name), :html => { :method => :post } do |f| %>
<%= devise_error_messages! %>
<%= f.label :email %>
<%= f.email_field :email %>
<%= f.submit "Resend unlock instructions" %>
<% end %>
<%= render "devise/shared/links" %>