tap/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! %>

  <div class="field">
    <%= f.label :nickname %><br />
    <%= f.email_field :nickname, autofocus: true %>
  </div>

  <div class="actions">
    <%= f.submit "Resend unlock instructions" %>
  </div>
<% end %>

<%= render "devise/shared/links" %>