form_for example

gistfile1.txt

=form_for(@contacts, as: :contact, url: contact_delete_path, method: 'delete')  do  
    - for contact in @contacts
      %tr 
        %td= check_box_tag 'contact_ids[]', contact.id, false
        %td= contact.email
        %td= truncate contact.message, length: 150 
        %td= link_to 'Show', contact
        %td= link_to 'Edit', edit_contact_path(contact)
        %td= link_to 'Destroy', contact, :confirm => 'Are you sure?', :method => :delete
    %tr 
      %td=submit_tag 'Delete', name: 'commit', value: 'Delete', confirm: 'Are you sure?'