app/views/admin/volunteers/_vposition_fields.html.haml
.nested-fields
= f.text_field :title
= f.text_area :description, rows: '2', class: 'col-md-8'
= f.label :vdays, 'Position is required for the following days:'
= f.select :vdays, @conference.vdays.pluck(:day, :id)
= remove_association_link :vposition, f