http://www.vizrt.com/types/relation/lock

This link relation identifies a link that can be used to lock a content item or a specific fragment of the content item. Links of this type occur in entry resources representing content items.

The following example shows a link of this type:

<entry>
  ...
  <link rel="http://www.vizrt.com/types/relation/lock"
        href="http://host-ip-address/webservice/escenic/lock/article/4"/>
  ...
</entry>