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>