diff --git a/app/models/metadata_permalink.rb b/app/models/metadata_permalink.rb
new file mode 100644
index 0000000..58feb9e
--- /dev/null
+++ b/app/models/metadata_permalink.rb
@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+# Este metadato permite generar rutas manuales.
+class MetadataPermalink < MetadataString
+  # Los permalinks nunca pueden ser privados
+  def private?
+    false
+  end
+
+  private
+
+  # Al hacer limpieza, validamos la ruta.  Eliminamos / multiplicadas,
+  # puntos suspensivos, la primera / para que siempre sea relativa y
+  # agregamos una / al final si la ruta no tiene extensión.
+  def sanitize(value)
+    value  = value.strip.gsub('..', '/').gsub('./', '').squeeze('/')
+    value  = value[1..-1] if value.start_with? '/'
+    value += '/' if File.extname(value).blank?
+
+    value
+  end
+end
diff --git a/app/views/posts/attribute_ro/_permalink.haml b/app/views/posts/attribute_ro/_permalink.haml
new file mode 100644
index 0000000..67642e2
--- /dev/null
+++ b/app/views/posts/attribute_ro/_permalink.haml
@@ -0,0 +1,3 @@
+%tr{ id: attribute }
+  %th= post_label_t(attribute, post: post)
+  %td{ dir: dir, lang: locale }= metadata.value
diff --git a/app/views/posts/attributes/_permalink.haml b/app/views/posts/attributes/_permalink.haml
new file mode 100644
index 0000000..8cbd92c
--- /dev/null
+++ b/app/views/posts/attributes/_permalink.haml
@@ -0,0 +1,7 @@
+.form-group
+  = label_tag "post_#{attribute}", post_label_t(attribute, post: post)
+  = text_field 'post', attribute, value: metadata.value,
+    dir: dir, lang: locale,
+    **field_options(attribute, metadata)
+  = render 'posts/attribute_feedback',
+    post: post, attribute: attribute, metadata: metadata